Win a $5,000 Milwaukee Tool Shout for you or your team!
Every qualifying Promax tank you order earns an entry.
On site, time is money. Every delay costs, and the gear you choose makes a difference. Promax tanks are built to install faster and easier, which means less downtime and fewer hold-ups.
From now until 28 February 2026, every Slimline, Septic, or Underground tank you order gives you an entry to win a $5,000 Milwaukee Tool Shout for your crew.
It's a way to kit out the site with gear you will actually use, not something that ends up sitting in a cupboard.
There are no forms to fill in. No loyalty cards. No catch.
If you are already installing Promax tanks, you are already earning entries.
How it Works
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One entry for every qualifying Promax tank ordered before 28 February 2026
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The winning crew will be drawn on 3 March 2026
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We will contact the winner directly and announce it on our social channels
That’s the whole process. Order the tank, install it, you’re in.
We back the people doing the work on the ground. The builders, drainlayers, contractors, and installation crews who choose good kit, take pride in the job, and want to keep things moving. Quality tools help crews work faster and finish well. Same as a quality tank.
Browse Eligible Products:
Promax Underground Tanks
Promax Slimline Tanks
Promax Septic Tanks
Entry Details and FAQs
What if I purchase a bulk order?
Every Slimline, Septic, or Underground tank order earns you an entry.
Who can enter?
This competition is open to New Zealand residents aged 18 years or over who purchase eligible Promax products within the promotional period.
Can merchants or resellers enter?
Entries are open to end customers (builders, contractors, drainlayers, etc.) who are the purchasers of eligible Promax products. If you buy through a reseller or merchant, make sure your invoice clearly shows your purchase of a qualifying Promax product.
How will entries be tracked?
Entries will be based on qualifying invoices received within the promotional period.
Is there a limit to the number of entries?
No, the more you spend on qualifying Promax products, the more entries you’ll receive.
Do I need to register online to enter?
No extra registration is required. All qualifying purchases are automatically entered based on invoicing records.
What if I cancel or return my order?
If a qualifying order is cancelled or refunded, the corresponding entries will be voided.
Can the prize be exchanged or transferred?
No, the prize is not transferable or redeemable for cash.
Who do I contact if I have questions about my eligibility?
You can contact your Promax Account Manager or email info@promax.co.nz for clarification.