Enduro Water Tanks

Waterflow is the leader in onsite wastewater innovation and best practice.

Corrugated Water Tanks

450 - 30,000L


Choose quality and style with the Promax range of large corrugated tanks, designed for superior performance and peace of mind.

These ultra strong tanks are engineered to last and compliment every landscape with their contemporary look.

Promax ENDURO tanks are so strong they are the only plastic water tanks in NZ that can be buried up to 1 metre in the ground and still retain a 20-year warranty!

Free delivery to your property

  • Sizes of 450L up to 30,000L (most common size being 25,000L)
  • Corrugated side walls for extra strength
  • One piece construction – reducing maintenance and costs
  • Bury up to 1 metre in the ground – can help to overcome height restrictions
  • 4 inlet panels for ease of installation
  • 2 x 50mm threaded base outlets
  • Clean, fresh untainted storage for drinking and household use
  • Range of 7 Colours to suit your surroundings
  • 20-year warranty
  • Certification to AS/NZ 4766 – Polyethylene storage tank standard

Tank Colour Options:

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