Promax has one of the most versatile and highest-quality ranges of underground tanks in New Zealand. Our underground stormwater and underground wastewater tanks are designed for the effective retention or detention of stormwater or secure and reliable storage of potable water. Each Promax underground tank is engineered by geotechnical experts and Finite Element Analysis tested (FEA). Our plastic detention tanks are thoroughly tested and made to withstand ground and water pressure at depth. All this means underground tanks you can trust in a wide variety of settings, including under driveways, footpaths, car parks, forecourts and much more.

ENDURO Super Duty Underground Tank 10000L 1.0m

ENDURO Super Duty Underground Tank 10000L 1.0m

POA

ENDURO Super Duty Underground Tank 9000L 1.0m

ENDURO Super Duty Underground Tank 9000L 1.0m

POA

ENDURO Super Duty Underground Tank 8000L 1.0m

ENDURO Super Duty Underground Tank 8000L 1.0m

POA

ENDURO Super Duty Underground Tank 7000L 1.0m

ENDURO Super Duty Underground Tank 7000L 1.0m

POA

ENDURO Super Duty Underground Tank 6000L 1.0m

ENDURO Super Duty Underground Tank 6000L 1.0m

POA

ENDURO Super Duty Underground Tank 5000L 1.0m

ENDURO Super Duty Underground Tank 5000L 1.0m

POA

ENDURO Super Duty Underground Tank 4000L 1.0m

ENDURO Super Duty Underground Tank 4000L 1.0m

POA

ENDURO Super Duty Underground Tank 3000L 1.0m

ENDURO Super Duty Underground Tank 3000L 1.0m

POA

ENDURO Super Duty Underground Tank 2000L 1.0m

ENDURO Super Duty Underground Tank 2000L 1.0m

POA

ENDURO Underground Tank 10000L 1.0m

ENDURO Underground Tank 10000L 1.0m

$7,764.00

ENDURO Underground Tank 9000L 1.0m

ENDURO Underground Tank 9000L 1.0m

$7,274.00

ENDURO Underground Tank 8000L 1.0m

ENDURO Underground Tank 8000L 1.0m

$6,775.00