{"title":"ENDURO Underground Tanks | North Island","description":"\u003cp\u003eThe North Island underground range. Rectangular ENDURO tanks from 1,000 to 10,000 litres for stormwater detention, retention and wastewater storage, including Super Duty, TankGuard and 575 mm low profile builds.\u003c\/p\u003e","products":[{"product_id":"2000l-underground-tank-1m-dia-enduro","title":"2,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208154397,"sku":"UE1002000","price":2850.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1002000_1.png?v=1770880307"},{"product_id":"2000l-underground-tank-1m-dia-super-duty-enduro","title":"2,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208318237,"sku":"US1002000","price":3850.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1002000_1.png?v=1770880458"},{"product_id":"2000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"2,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208482077,"sku":"USTG1002000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1002000_1.png?v=1771383783"},{"product_id":"2000l-underground-tank-1m-dia-tankguard-enduro","title":"2,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208613149,"sku":"UETG1002000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1002000_1.png?v=1771384327"},{"product_id":"2500l-underground-tank-1m-dia-enduro","title":"2,500L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208744221,"sku":"UE1002500","price":3300.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/2500l-underground-tank-1m-dia-enduro_1.png?v=1773665608"},{"product_id":"3000l-underground-tank-1m-dia-enduro","title":"3,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933208940829,"sku":"UE1003000","price":3750.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1003000_1.png?v=1770881560"},{"product_id":"3000l-underground-tank-1m-dia-super-duty-enduro","title":"3,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209104669,"sku":"US1003000","price":5050.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1003000_1.png?v=1787535821"},{"product_id":"3000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"3,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209268509,"sku":"USTG1003000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1003000_1.png?v=1771383856"},{"product_id":"3000l-underground-tank-1m-dia-tankguard-enduro","title":"3,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209432349,"sku":"UETG1003000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1003000_1.png?v=1771384322"},{"product_id":"3500l-underground-tank-1m-dia-enduro","title":"3,500L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209628957,"sku":"UE1003500","price":4050.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/3500l-underground-tank-1m-dia-enduro_1.png?v=1773665684"},{"product_id":"4000l-underground-tank-1m-dia-enduro","title":"4,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209727261,"sku":"UE1004000","price":4350.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1004000_1_c28ce473-22b9-45cb-82c8-e70e0cf4fa0d.png?v=1770992424"},{"product_id":"4000l-underground-tank-1m-dia-super-duty-enduro","title":"4,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933209923869,"sku":"US1004000","price":5850.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1004000_1.png?v=1770882336"},{"product_id":"4000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"4,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210054941,"sku":"USTG1004000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1004000_1.png?v=1771383901"},{"product_id":"4000l-underground-tank-1m-dia-tankguard-enduro","title":"4,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210218781,"sku":"UETG1004000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1004000_1.png?v=1771384316"},{"product_id":"4500l-underground-tank-1m-dia-enduro","title":"4,500L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210415389,"sku":"UE1004500","price":4750.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/4500l-underground-tank-1m-dia-enduro_1.png?v=1773666010"},{"product_id":"5000l-underground-tank-1m-dia-enduro","title":"5,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210579229,"sku":"UE1005000","price":5100.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1005000_1.png?v=1770882643"},{"product_id":"5000l-underground-tank-1m-dia-super-duty-enduro","title":"5,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210710301,"sku":"US1005000","price":6900.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1005000_1.png?v=1770882714"},{"product_id":"5000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"5,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210808605,"sku":"USTG1005000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1005000_1.png?v=1771383905"},{"product_id":"5000l-underground-tank-1m-dia-tankguard-enduro","title":"5,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933210972445,"sku":"UETG1005000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1005000_1.png?v=1771384311"},{"product_id":"6000l-underground-tank-1m-dia-enduro","title":"6,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211070749,"sku":"UE1006000","price":6100.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1006000_1.png?v=1770888390"},{"product_id":"6000l-underground-tank-1m-dia-super-duty-enduro","title":"6,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211267357,"sku":"US1006000","price":8250.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1006000_1.png?v=1770888470"},{"product_id":"6000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"6,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211365661,"sku":"USTG1006000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1006000_1.png?v=1771383910"},{"product_id":"6000l-underground-tank-1m-dia-tankguard-enduro","title":"6,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211463965,"sku":"UETG1006000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1006000_1.png?v=1771384306"},{"product_id":"7000l-underground-tank-1m-dia-enduro","title":"7,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211627805,"sku":"UE1007000","price":6650.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1007000_1.png?v=1770888635"},{"product_id":"7000l-underground-tank-1m-dia-super-duty-enduro","title":"7,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933211824413,"sku":"US1007000","price":8950.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1007000_1.png?v=1770889293"},{"product_id":"7000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"7,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212021021,"sku":"USTG1007000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1007000_1.png?v=1771383913"},{"product_id":"7000l-underground-tank-1m-dia-tankguard-enduro","title":"7,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212184861,"sku":"UETG1007000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1007000_1.png?v=1771384300"},{"product_id":"8000l-underground-tank-1m-dia-enduro","title":"8,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212315933,"sku":"UE1008000","price":7350.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1008000_1.png?v=1770889710"},{"product_id":"8000l-underground-tank-1m-dia-super-duty-enduro","title":"8,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212447005,"sku":"US1008000","price":10000.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1008000_1.png?v=1770890309"},{"product_id":"8000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"8,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212545309,"sku":"USTG1008000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1008000_1.png?v=1771383917"},{"product_id":"8000l-underground-tank-1m-dia-tankguard-enduro","title":"8,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212643613,"sku":"UETG1008000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1008000_1.png?v=1771384295"},{"product_id":"9000l-underground-tank-1m-dia-enduro","title":"9,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212774685,"sku":"UE1009000","price":7900.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1009000_1.png?v=1770890617"},{"product_id":"9000l-underground-tank-1m-dia-super-duty-enduro","title":"9,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933212938525,"sku":"US1009000","price":10650.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1009000_1.png?v=1770890727"},{"product_id":"9000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"9,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214085405,"sku":"USTG1009000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1009000_1.png?v=1771383921"},{"product_id":"9000l-underground-tank-1m-dia-tankguard-enduro","title":"9,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214150941,"sku":"UETG1009000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1009000_1.png?v=1771384289"},{"product_id":"10000l-underground-tank-1m-dia-enduro","title":"10,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003ePut the tank under the ground and the space above it stays yours. The ENDURO Underground Tank is rectangular, so the excavation is a straight-sided trench rather than a round hole, which reduces the digging and the backfill the job needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet plumbing ports, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214282013,"sku":"UE1010000","price":8500.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1010000_1.png?v=1770890972"},{"product_id":"10000l-underground-tank-1m-dia-super-duty-enduro","title":"10,000L Underground Tank 1m Dia Super Duty - ENDURO","description":"\u003cp\u003eSuper Duty is the ENDURO Underground Tank built heavier, for ground that asks more of a tank. Thicker walls for a high water table, rocky or heavy fill, and more load over the top than a standard backyard install. Same rectangular shape, so the excavation stays a straight-sided trench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavier build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eSupplied with a garden lid as standard, with cast iron lids available for this tank\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214413085,"sku":"US1010000","price":11400.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/US1010000_1.png?v=1770891044"},{"product_id":"10000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"10,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Super Duty Underground Tank fitted with TankGuard®. The heavier build for demanding ground, with outlet protection for the detention system sitting on top of it.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eHeavier Super Duty build for demanding ground conditions\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for potable water, stormwater and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhere groundwater could lift an empty tank, Super Duty is usually specified alongside the Promax uplift restraint system. Install to the Promax Underground Tank Installation Guide, and talk to us before you order if the site has a high water table.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214576925,"sku":"USTG1010000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/USTG1010000_1_36fd869e-2664-4824-b014-558289c4004b.png?v=1771384247"},{"product_id":"10000l-underground-tank-1m-dia-tankguard-enduro","title":"10,000L Underground Tank 1m Dia TankGuard - ENDURO","description":"\u003cp\u003eThe ENDURO Underground Tank fitted with TankGuard®, for stormwater detention systems where the controlled discharge outlet has to keep doing its job.\u003c\/p\u003e\n\u003cp\u003eA detention tank only works if it releases at the rate the design calls for. TankGuard® protects the controlled discharge outlet from blockage, so it keeps releasing at that rate. It is patented, a registered Promax trademark, and available only through Promax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTankGuard® outlet blockage protection, built into the tank rather than added afterwards\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention, stormwater detention and wastewater storage\u003c\/li\u003e\n\u003cli\u003eMultiple inlet and outlet panels, so the pipework suits your site rather than the other way round\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway, footpath, car park or forecourt using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges will apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50933214675229,"sku":"UETG1010000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UETG1010000_1.png?v=1771384282"},{"product_id":"1500l-underground-tank-575mm-dia-enduro","title":"1,500L Underground Tank 575mm Dia - ENDURO","description":"\u003cp\u003eHalf again the capacity in the same shallow profile. The 1,500L ENDURO Underground Tank suits sites with limited dig depth, where rock is close to the surface, the water table is high, or services are in the way.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e575 mm low profile for shallow installations\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003eComplies with AS\/NZS 4020 for products in contact with drinking water and AS\/NZS 2070 for plastics in food contact use\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention and detention, or for storing potable water\u003c\/li\u003e\n\u003cli\u003eConfigurable inlet and outlet positions to suit your site layout\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway or footpath using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50970617413917,"sku":"UELP01500","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/1500l-underground-tank-575mm-dia-enduro_1.png?v=1773709089"},{"product_id":"1000l-underground-tank-575mm-dia-enduro","title":"1,000L Underground Tank 575mm Dia - ENDURO","description":"\u003cp\u003eA low-profile ENDURO Underground Tank for sites where you cannot dig deep. The 575 millimetre body keeps the excavation shallow, which is what you want when there is rock close to the surface, a high water table, or services in the way.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDistinctive benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e575 mm low profile for shallow installations\u003c\/li\u003e\n\u003cli\u003eRectangular shape reduces excavation and backfill requirements\u003c\/li\u003e\n\u003cli\u003eBuilt to the AS\/NZS 4766 standard for polyethylene liquid storage\u003c\/li\u003e\n\u003cli\u003eComplies with AS\/NZS 4020 for products in contact with drinking water and AS\/NZS 2070 for plastics in food contact use\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty on the tank\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater retention and detention, or for storing potable water\u003c\/li\u003e\n\u003cli\u003eConfigurable inlet and outlet positions to suit your site layout\u003c\/li\u003e\n\u003cli\u003eCan go under a driveway or footpath using a steel manhole lid and a Promax adjustable riser, which takes a concrete surround so vehicle loads are carried by the concrete and not the tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall to the Promax Underground Tank Installation Guide. Stated burial depths assume dry ground with no hydraulic loads, so talk to us about anchoring before you dig if a high water table is possible.\u003c\/p\u003e\n\u003cp\u003eAdditional freight charges apply to South Island orders.\u003c\/p\u003e","brand":"Promax","offers":[{"title":"Default Title","offer_id":50970617446685,"sku":"UELP01000","price":0.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/1000l-underground-tank-575mm-dia-enduro_1.png?v=1773709271"}],"url":"https:\/\/www.promax.co.nz\/collections\/underground-enduro.oembed?page=3","provider":"Promax","version":"1.0","type":"link"}