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 10,000 Ltr 1.0m

ENDURO Underground Tank 10,000 Ltr 1.0m

$7,220.00

ENDURO Underground Tank 9,000 Ltr 1.0m

ENDURO Underground Tank 9,000 Ltr 1.0m

$6,765.00

ENDURO Underground Tank 8,000 Ltr 1.0m

ENDURO Underground Tank 8,000 Ltr 1.0m

$6,301.00

ENDURO Underground Tank 7,000 Ltr 1.0m

ENDURO Underground Tank 7,000 Ltr 1.0m

$5,689.00

ENDURO Underground Tank 6,000 Ltr 1.0m

ENDURO Underground Tank 6,000 Ltr 1.0m

$5,232.00

ENDURO Underground Tank 5,000 Ltr 1.0m

ENDURO Underground Tank 5,000 Ltr 1.0m

$4,368.00

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

$9,745.00

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