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 Underground Tank 4,000 Ltr 1.0m

ENDURO Underground Tank 4,000 Ltr 1.0m

$3,714.00

ENDURO Underground Tank 3,000 Ltr 1.0m

ENDURO Underground Tank 3,000 Ltr 1.0m

$3,199.00

ENDURO Underground Tank 2,000 Ltr 1.0m

ENDURO Underground Tank 2,000 Ltr 1.0m

$2,441.00

ENDURO Super Duty Underground Tank 10,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 10,000 Ltr 1.0m

$9,746.00

ENDURO Super Duty Underground Tank 9,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 9,000 Ltr 1.0m

$9,131.00

ENDURO Super Duty Underground Tank 8,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 8,000 Ltr 1.0m

$8,504.00

ENDURO Super Duty Underground Tank 7,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 7,000 Ltr 1.0m

$7,678.00

ENDURO Super Duty Underground Tank 6,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 6,000 Ltr 1.0m

$7,061.00

ENDURO Super Duty Underground Tank 5,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 5,000 Ltr 1.0m

$5,896.00

ENDURO Super Duty Underground Tank 4,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 4,000 Ltr 1.0m

$5,014.00

ENDURO Super Duty Underground Tank 3,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 3,000 Ltr 1.0m

POA

ENDURO Super Duty Underground Tank 2,000 Ltr 1.0m

ENDURO Super Duty Underground Tank 2,000 Ltr 1.0m

$3,294.00