Promax water tanks are built to last in tough NZ conditions. Our premium ENDURO range is engineered for strength, long life, and partial in-ground use. With a corrugated design, heavy-duty build, and 20-year warranty, it’s the industry benchmark. XPRESS tanks offer a smooth-sided, above-ground alternative at a lower cost. All tanks are made from high-grade polyethylene and certified to AS/NZS 4766. Trusted nationwide by rural, commercial, and residential customers.

Promax Sight Glass Kit 10,000 - 30,000 Ltr

Promax Sight Glass Kit 10,000 - 30,000 Ltr

$200.00

Promax Tank Balancing Kit - 50mm

Promax Tank Balancing Kit - 50mm

$393.00

Promax Non-Potable-Water Sticker

Promax Non-Potable-Water Sticker

$14.00

Promax Tank Outlet with Corrugated Flange 25mm

Promax Tank Outlet With Corrugated Flange 25mm

$92.00

Promax Corrugated Tank Outlet - 50mm

Promax Corrugated Tank Outlet - 50mm

$133.00

Promax Water Pump Kit

Promax Water Pump Kit

$1,911.00

Promax Submersible Pump 60 LPM

Promax Submersible Pump 60 LPM

$2,253.00

Promax Submersible Pump Water Rainbank Switch & Cabinet

Promax Submersible Pump Water Rainbank Switch & Cabinet

$3,390.00

Promax Pump Cover Large

Promax Pump Cover Large

$485.00

Promax Pump Cover Small

Promax Pump Cover Small

$303.00

Promax Buried Dual Tank Fire Service Outlet Kit - 100mm

Promax Buried Dual Tank Fire Service Outlet Kit - 100mm

$3,509.00

Promax Buried Single Tank Fire Service Outlet Kit - 100mm

Promax Buried Single Tank Fire Service Outlet Kit - 100mm

$2,828.00