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.

ENDURO Industrial Tank 30,000 Ltr - North Island

ENDURO Industrial Tank 30,000 Ltr - North Island

POA

Promax Tank Essentials Kit

Promax Tank Essentials Kit

$540.00

Promax Tank Cleaning Kit

Promax Tank Cleaning Kit

$827.00

Promax Rainwater Collection Kit

Promax Rainwater Collection Kit

$243.00

Promax Submersible Pump 40LPM

Promax Submersible Pump 40 LPM

$1,950.00

ENDURO Septic Tank 5,000 Ltr 1.0 Dia - North Island

ENDURO Septic Tank 5,000 Ltr 1.0 Dia - North Island

$4,818.00

ENDURO Septic Tank 4,000 Ltr 1.0 Dia - North Island

ENDURO Septic Tank 4,000 Ltr 1.0 Dia - North Island

$4,194.00

ENDURO Septic Tank 3,000 Ltr 1.0 Dia - North Island

ENDURO Septic Tank 3,000 Ltr 1.0 Dia - North Island

$3,659.00

ENDURO Septic Tank 2,000 Ltr 1.0 Dia - North Island

ENDURO Septic Tank 2,000 Ltr 1.0 Dia - North Island

$2,856.00

ENDURO Underground Tank Adjustable Trafficable Riser

ENDURO Underground Tank Adjustable Trafficable Riser

$264.00

ENDURO Underground Tank Riser - 600 x 300mm

ENDURO Underground Tank Riser - 600 x 300mm

$264.00

ENDURO Underground Tank Lid 630mm

ENDURO Underground Tank Lid 630mm

$328.00