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.

XPRESS Underground Tank 7,000 Ltr 1.2M Dia

XPRESS Underground Tank 7,000 Ltr 1.2M Dia

$5,405.00

XPRESS Underground Tank 6,000 Ltr 1.2M Dia

XPRESS Underground Tank 6,000 Ltr 1.2M Dia

$4,970.00

XPRESS Underground Tank 5,000 Ltr 1.2M Dia

XPRESS Underground Tank 5,000 Ltr 1.2M Dia

$4,150.00

XPRESS Underground Tank 4,000 Ltr 1.2M Dia

XPRESS Underground Tank 4,000 Ltr 1.2M Dia

$3,528.00

XPRESS Underground Tank 3,000 Ltr 1.2M Dia

XPRESS Underground Tank 3,000 Ltr 1.2M Dia

$3,039.00

XPRESS Underground Tank 2,000 Ltr 1.2M Dia

XPRESS Underground Tank 2,000 Ltr 1.2M Dia

$2,319.00

XPRESS Underground Tank 10,000 Ltr 1.9M Dia

XPRESS Underground Tank 10,000 Ltr 1.9M Dia

POA

XPRESS Underground Tank 15,000 Ltr 1.9M Dia

XPRESS Underground Tank 15,000 Ltr 1.9M Dia

POA

XPRESS Underground Tank 20,000 Ltr 1.9M Dia

XPRESS Underground Tank 20,000 Ltr 1.9M Dia

POA

XPRESS Underground Tank 25,000 Ltr 1.9M Dia

XPRESS Underground Tank 25,000 Ltr 1.9M Dia

POA

XPRESS Underground Tank 30,000 Ltr 1.9M Dia

XPRESS Underground Tank 30,000 Ltr 1.9M Dia

POA

Promax Cast Access Lid 540mm Class B

Promax Cast Access Lid 540mm Class B

$830.00