5000 Litre Underground Water Tank


5000 Litre Underground Water Tank



Product Documents

5000 Litre Polymaster Underground Water Tank


Dimensions: 3520L x 1640W x 1665H

Polymaster Underground Water Tanks are only suitable to be installed in garden beds. These tanks are only supplied with a poly lid rated for 500kg. The tanks are available in two capacities. 3300LT an 5000LT Underground Water Tank. The tanks can be supplied with an optional vortex filter to harvest cleaner rain water in the tank. Polymaster’s Underground Rainwater Tanks give you the maximum capacity for the minimum square meterage.  Out of sight with the smallest footprint in the industry.

  • 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
  • 10 Year Manufacturers Warranty.

Vortex Filter (Optional)

  • Self cleaning – captures more than 90% of water while cleaning your filter as well
  • Withstands up to 30 tonnes of vehicle weight
  • Extension risers available for deeper underground installation
  • Vortex Filter for roof area up to 200 square metres with 100mm pipe entry

Delivery Zones: (Tank Available in Zone 1 & 2 Only)

Refer to Tank Delivery and Preparation documents for more information (You can download a copy in the Product Documents Section.)



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Dimensions (mm)

3520L x 1640W x 1665H


10 Years Manufacturers Warranty

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