Promax ENDURO Water Tanks
A tank isn’t just a tank - it’s your water security for decades to come.
Promax ENDURO™ tanks are New Zealand’s trusted solution for reliable, long-term water storage. Manufactured with premium polyethylene in a seamless one-piece design, ENDURO tanks combine form, function and future-proof engineering to protect what matters most: your home, your farm, your business.

Large ENDURO Water Tanks
- Large ENDURO tanks range from 10,000 Ltr to 30,000 Ltr capacities
- Corrugated side walls for extra strength
- One piece construction - reducing maintenance and costs
- Bury 1 metre in ground to overcome height restrictions
- 20 Year Promax Warranty - providing you with peace of mind
- Multiple inlet/outlet panels - saving you installation time
- 600mm Manhole
- Clean, fresh, untainted storage for drinking and household use
- Threaded base outlets

North Island Models:
All Enduro tanks are available in 7 contemporary colour options to suit any setting
South Island Models:
All Enduro tanks are available in 7 contemporary colour options to suit any setting
Small ENDURO Water Tanks
- Small ENDURO tanks range from 450 Ltr to 5,000 Ltr capacities
- Corrugated side walls for extra strength
- Maintenance-free one piece moulded construction
- Easy installation with multiple inlet/outlet opportunities
- Clean, fresh, untainted storage for drinking and household use
- 1x threaded base outlet
- Special outlets available on request
- Choice of 7 colours to suit your surroundings
- 450mm manhole

Nationwide Models:
All Enduro tanks are available in 7 contemporary colour options to suit any setting
North Island Only Models:
All Enduro tanks are available in 7 contemporary colour options to suit any setting