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3300Ltr Underground Rainwater Tank

With the smallest footprint in the industry, Polymaster Underground Rainwater Tanks give you the maximum capacity for the minimum square meterage

Polymaster: the Experts in Underground Poly Water Storage Tanks

Available on demand, our underground poly rainwater tanks are the perfect addition to any property and can improve your home’s water efficiency significantly. Manufactured to meet the highest standards, all of our approved and tested underground rainwater tank designs are made:

  • Fully tested polyethylene tank designed to withstand ground and water pressure at depth
  • Engineered by geotechnical experts including finite element analysis (FEA)
  • Certified to AS/NZS 4766 Rainwater tank standard
  • Certified to AS/NZS 1546 
  • Sealed locking tamper-proof lid

Improve your home’s water efficiency! Contact the experts at Polymaster today to enquire about our underground and in ground water tanks. Free call 1800 062 064.