Register your Promax Product Warranty here

We stand behind every product we make. Registering your warranty takes just a couple of minutes and ensures you are covered for the full term of your Promax warranty. Download our full warranty terms and conditions before completing the form.

  • Questions? Call us on 0800 77 66 29
Trusted by NZ homeowners, builders and specifiers since 1985.

Easy to specify

Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.

Easy to install

Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.

Built for purpose

Whether you’re storing water, harvesting the rain or installing septic tanks, Promax has a liquid storage solution that will fit your construction site.

Ask an expert — it's free.

Talk to our team.

Our team knows this range inside out. Tell us about your build, what you're trying to achieve, where it's going, or what you're unsure about and we'll come back with a clear recommendation. No jargon, no obligation.

  • Personalised product recommendations for your specific project
  • Spec, compliance and sizing guidance included
  • Fast replies — usually within one business day
Trusted by NZ homeowners, builders and specifiers since 1985.