Promax Enduro Water Tanks

Promax ENDURO Water Tanks NZ

A tank isn’t just a tank — it’s your water security for decades to come. Promax ENDURO™ tanks are New Zealand’s most 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.

Whether you’re harvesting rainwater orstoring potable water, the ENDURO range offers superior structural strength, industry certifications, and peace-of-mind performance.

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Promax ENDURO Tanks

Why Promax ENDURO™ Stands Above

  • Built Stronger: Corrugated sidewalls and seamless one-piece construction mean no weak points, no leaks.

  • Engineered for NZ: Certified to AS/NZS4766 and AS/NZS4020 for drinking water safety.

  • Discreet Installation: Can be partially buried (up to one-third height) without voiding warranty.

  • Safe and Sustainable: UV-stabilised, food-grade materials for clean, odour-free water every time.

  • Versatile Applications: Suitable for residential, lifestyle, rural, and commercial use.

  • 20-Year Warranty: Proven durability backed by industry-leading coverage.

     
     

Small ENDURO Tanks (Below 10 000 L)

  • Can be buried up to 1/3 of height for discrete installation
  • Compact 450mm manhole for easy access
  • One-piece construction – no joins or welds that could leak
  • UV-stabilised food-grade material
  • Single threaded base outlet as standard
  • Perfect for residential and small commercial applications
  • Available in seven designer colors to match your environmentCan be buried up to 1 meter in ground

 

ENDURO 450 L

ENDURO Water Tank 450 Ltr

Code EN1000450
NZD $489.00		 ENDURO 1 000 L

ENDURO Water Tank 1 000 Ltr

Code EN1001000
NZD $845.00		 ENDURO 2 000 L

ENDURO Water Tank 2 000 Ltr

Code EN1002000
NZD $1 118.00
ENDURO 3 000 L

ENDURO Water Tank 3 000 Ltr

Code EN1003000
NZD $1 317.00		 ENDURO 4 000 L

ENDURO Water Tank 4 000 Ltr

Code EN1004000
NZD $1 551.00		 ENDURO 5 000 L

ENDURO Water Tank 5 000 Ltr

Code EN1005000
NZD $1 850.00

 

Large ENDURO Tanks (10 000 L & Above)

  • Can be buried up to 1 meter in ground
  • Generous 600mm manhole for easy access and maintenance
  • Dual 50mm outlets as standard
  • Multiple inlet/outlet panels for installation flexibility
  • Superior wall strength from corrugated design
  • Ideal for commercial, industrial and large residential projects
  • Seven color options to suit any settingDrinking water approved to AS/NZS 4020
ENDURO 10 000 L NI

ENDURO Water Tank 10 000 Ltr – North Island

Code EN1010000
NZD $3 008.00		 ENDURO 25 000 L NI

ENDURO Water Tank 25 000 Ltr – North Island

Code EN1025000
NZD $4 063.00		 ENDURO 25 000 L SI

ENDURO Water Tank 25 000 Ltr – South Island

Code EN1025000
NZD $4 063.00
ENDURO 30 000 L NI

ENDURO Water Tank 30 000 Ltr – North Island

Code EN1030000
NZD $4 907.00		 ENDURO 30 000 L SI

ENDURO Water Tank 30 000 Ltr – South Island

Code EN1030000
NZD $4 907.00

 

Installation & Compliance

  • AS/NZS4766 certified construction
  • Drinking water approved to AS/NZS 4020
  • Made in New Zealand
  • Comprehensive installation guide provided
  • Multiple outlet positions for maximum flexibility
  • Expert technical support available

For expert advice or CAD/PDF drawings, call 0800 77 66 29 or use the form below.

 

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