Water Tanks NZ | Large Plastic Water Tanks

The best water tanks in New Zealand

Designed for optimum performance over many years

Recommended Installers

We have partnered with Installers who are fully qualified, endorsed by Promax and are equipped to handle your installation needs

Our Projects

Check out our rapidly growing database of case studies that showcase how Promax tanks and accessories have helped our clients in the rural, civil, industrial and building sectors.

The Promax Story

Together, making a difference today to sustain life tomorrow.

Whatever the sector, whatever your project, there’s a Promax Liquid Management solution made for the job.

Promax is a leader in Liquid Management – giving you solutions others can’t.

Get what you need, when you need it with Promax.

Choose Promax for durability and reliability.

Talk to us about our customised solutions.

When the going gets rough, Promax gets going.

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Our Projects

Why Is Rain Harvesting Important?

1 Aug Promax Rainwater Tanks Feed A Thirsty Nation In our recently published company story, Together Making A Difference Today To Sustain Life Tomorrow, we spelt

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Request a 2021 Specifiers Pack

Choosing the right product for the job shouldn’t be difficult.

Request a 2021 Specifiers Pack

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Featured Product

Promax Slimline Tank & Pump 3,000 Ltr

Designed for maximum storage using minimal space, the Promax Slimline Tank will blend discreetly into any environment

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