{"title":"Stormwater Detention Tanks","description":"\u003cp data-start=\"483\" data-end=\"1028\"\u003ePromax stormwater detention tanks are designed to temporarily hold stormwater during a rain event and release it slowly to the stormwater network at a controlled rate. They are commonly used to help meet council stormwater requirements on residential and commercial developments across New Zealand. Promax offers both \u003cstrong data-start=\"801\" data-end=\"832\"\u003eunderground detention tanks\u003c\/strong\u003e and \u003cstrong data-start=\"837\" data-end=\"865\"\u003eslimline detention tanks\u003c\/strong\u003e, giving you practical options for sites where space is limited, above-ground storage needs to stay discreet, or the required detention volume is relatively small.\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1501\"\u003eUnderground tanks are often the best option where the tank needs to sit below a lawn, driveway, or parking area. Slimline tanks are a strong alternative for tight residential sites where the required volume is modest and there is space along a fence line or beside the house. Manufactured in New Zealand, Promax stormwater tank solutions are designed to help builders, plumbers, drainlayers, developers, and homeowners manage runoff in a practical and site-efficient way.\u003c\/p\u003e","products":[{"product_id":"2000l-underground-tank-1m-dia-enduro","title":"2,000L Underground Tank 1m Dia - ENDURO","description":"\u003cp\u003eThe new, more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eEngineered by geotechnical experts and Finite Element Analysis tested (FEA), the Promax ENDURO Underground Tank is fully tested and designed to withstand ground and water pressure at depth and is suitable for the retention or detention of stormwater or the storage of potable water.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":2539.0,"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\u003eThis is the Future of Underground Tanks.\u003c\/p\u003e\n\u003cp\u003eThe Promax ENDURO Super Duty Underground Tank is the first, and only, tank in NZ to be certified to the latest standards AS\/NZS4766:2020. The new, more rectangular shape of the ENDURO Super Duty Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003eCertified to AS\/NZS 4766:2020\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":3426.0,"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\u003eIntroducing TankGuard®?, the innovative solution for optimal stormwater detention system performance.\u003c\/p\u003e\n\u003cp\u003eTankGuard®? prevents blockages and ensures controlled discharge and easy application. Backed by a 24-month extensive engineering and testing period, TankGuard®? stands as a testament to Promax's innovative technology, quality, and reliability.\u003c\/p\u003e\n\u003cp\u003eTankGuard®? is available with the Promax ENDURO Super Duty Underground Tank, the first and only tank in NZ to be certified to the latest standards AS\/NZS4766:2020. The more rectangular shape of the ENDURO Super Duty Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money. With a 10-year pro-rata warranty, traffic rating for vehicles \u0026lt;10000 kg, and multiple inlet\/outlet panels, the ENDURO Super Duty Underground Tank with TankGuard® is the future of underground tanks.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeaturing the unique TankGuard®? technology\u003c\/li\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003eCertified to AS\/NZS 4766:2020\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTankGuard® is an innovative solution that stands out in the market with its patented technology and registered trademark. This product is exclusively available through Promax.\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\u003eIntroducing TankGuard®, the innovative solution for optimal stormwater detention system performance.\u003c\/p\u003e\n\u003cp\u003eTankGuard® prevents blockages and ensures controlled discharge and easy application. Backed by a 24-month extensive engineering and testing period, TankGuard® stands as a testament to Promax's innovative technology, quality, and reliability.\u003c\/p\u003e\n\u003cp\u003eTankGuard® is available with the Promax ENDURO Underground Tank. The more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money. With a 10-year pro-rata warranty, traffic rating for vehicles \u0026lt;10000 kg, and multiple inlet\/outlet panels, the ENDURO Super Duty Underground Tank with TankGuard® is the future of underground tanks.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeaturing the unique TankGuard® technology\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTankGuard® is an innovative solution that stands out in the market with its patented technology and registered trademark. This product is exclusively available through Promax.\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\u003eThe new, more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eEngineered by geotechnical experts and Finite Element Analysis tested (FEA), the Promax ENDURO Underground Tank is fully tested and designed to withstand ground and water pressure at depth and is suitable for the retention or detention of stormwater or the storage of potable water.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":2933.0,"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\u003eThe new, more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eEngineered by geotechnical experts and Finite Element Analysis tested (FEA), the Promax ENDURO Underground Tank is fully tested and designed to withstand ground and water pressure at depth and is suitable for the retention or detention of stormwater or the storage of potable water.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":3327.0,"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\u003eThis is the Future of Underground Tanks.\u003c\/p\u003e\n\u003cp\u003eThe Promax ENDURO Super Duty Underground Tank is the first, and only, tank in NZ to be certified to the latest standards AS\/NZS4766:2020. The new, more rectangular shape of the ENDURO Super Duty Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003eCertified to AS\/NZS 4766:2020\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":4493.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8293\/9677\/files\/UE1004000_1.png?v=1770882196"},{"product_id":"3000l-underground-tank-1m-dia-super-duty-tankguard-enduro","title":"3,000L Underground Tank 1m Dia Super Duty TankGuard - ENDURO","description":"\u003cp\u003eIntroducing TankGuard®?, the innovative solution for optimal stormwater detention system performance.\u003c\/p\u003e\n\u003cp\u003eTankGuard®? prevents blockages and ensures controlled discharge and easy application. Backed by a 24-month extensive engineering and testing period, TankGuard®? stands as a testament to Promax's innovative technology, quality, and reliability.\u003c\/p\u003e\n\u003cp\u003eTankGuard®? is available with the Promax ENDURO Super Duty Underground Tank, the first and only tank in NZ to be certified to the latest standards AS\/NZS4766:2020. The more rectangular shape of the ENDURO Super Duty Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money. With a 10-year pro-rata warranty, traffic rating for vehicles \u0026lt;10000 kg, and multiple inlet\/outlet panels, the ENDURO Super Duty Underground Tank with TankGuard® is the future of underground tanks.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeaturing the unique TankGuard®? technology\u003c\/li\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003eCertified to AS\/NZS 4766:2020\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTankGuard® is an innovative solution that stands out in the market with its patented technology and registered trademark. This product is exclusively available through Promax.\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\u003eIntroducing TankGuard®, the innovative solution for optimal stormwater detention system performance.\u003c\/p\u003e\n\u003cp\u003eTankGuard® prevents blockages and ensures controlled discharge and easy application. Backed by a 24-month extensive engineering and testing period, TankGuard® stands as a testament to Promax's innovative technology, quality, and reliability.\u003c\/p\u003e\n\u003cp\u003eTankGuard® is available with the Promax ENDURO Underground Tank. The more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money. With a 10-year pro-rata warranty, traffic rating for vehicles \u0026lt;10000 kg, and multiple inlet\/outlet panels, the ENDURO Super Duty Underground Tank with TankGuard® is the future of underground tanks.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeaturing the unique TankGuard® technology\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTankGuard® is an innovative solution that stands out in the market with its patented technology and registered trademark. This product is exclusively available through Promax.\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\u003eThe new, more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eEngineered by geotechnical experts and Finite Element Analysis tested (FEA), the Promax ENDURO Underground Tank is fully tested and designed to withstand ground and water pressure at depth and is suitable for the retention or detention of stormwater or the storage of potable water.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":3595.0,"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\u003eThe new, more rectangular shape of the ENDURO Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eEngineered by geotechnical experts and Finite Element Analysis tested (FEA), the Promax ENDURO Underground Tank is fully tested and designed to withstand ground and water pressure at depth and is suitable for the retention or detention of stormwater or the storage of potable water.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":3863.0,"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\u003eThis is the Future of Underground Tanks.\u003c\/p\u003e\n\u003cp\u003eThe Promax ENDURO Super Duty Underground Tank is the first, and only, tank in NZ to be certified to the latest standards AS\/NZS4766:2020. The new, more rectangular shape of the ENDURO Super Duty Underground Tank brings a major advantage to the market by reducing excavation and backfill requirements, saving time and money.\u003c\/p\u003e\n\u003cp\u003eDistinctive Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnique shape reduces excavation and backfill \u0026lt;20%\u003c\/li\u003e\n\u003cli\u003eCertified to AS\/NZS 4766:2020\u003c\/li\u003e\n\u003cli\u003e10-year pro-rata warranty\u003c\/li\u003e\n\u003cli\u003eTraffic rated for vehicles \u0026lt;10000 kg\u003c\/li\u003e\n\u003cli\u003eMultiple Inlet\/Outlet panels\u003c\/li\u003e\n\u003c\/ul\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":5215.0,"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\u003eIntroducing TankGuard®?, the innovative solution for optimal stormwater detention system performance.\u003c\/p\u003e\n\u003cp\u003eTankGuard®? prevents blockages and ensures controlled discharge and easy application. 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