icon Skip to content
FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply)
FREE SHIPPING ON ORDERS OVER $100 AUSTRALIA-WIDE* (T&C's Apply)

Premium Flatwall Poly Water Tanks

Thanks to our in-house polyethylene processing facility, COERCO is the only manufacturer to retain internal control of quality from start to finish. We’re proud to be an ISO9001:2015 certified company, highlighting our commitment to outstanding workmanship across all our products.

We’re so confident that our water tanks and associated products are of the highest quality, we offer a 20-year repair or replace warranty guarantee on our Premium Corrugated and Premium Flatwalled water tank models.

Polyethylene water tanks are a great choice:

  • One-piece construction ensures no weak spots
  • Flatwalled design combines strength with a sleek, modern finish
  • UV stabilised to withstand the harsh Australian climate
  • Manufactured in accordance with Australian standards
  • Made using the best linear low-density food grade polyethylene
  • Available in a wide range of sizes and colours to suit all applications
  • Comes as a complete set with all required accessories
  • Lightweight and easy to transport and install
  • Unbeatable quality and value for money

$195 flat rate delivery within zone 1 Western Australia or free in-store collection.

  • Original price $2,900.00 - Original price $2,900.00
    Original price $2,900.00
    $3,400.10
    $3,400.10 - $3,400.10
    Current price $3,400.10

    14,000LTR Premium Flatwall Round Poly Water Tanks Perth

    14,000 Litre Premium Flatwall Poly Rainwater Tanks Perth DOWNLOAD PRODUCT SPECIFICATIONS Looking for a modern, unobtrusive way to store wate...

    View full details
  • Original price $1,550.00 - Original price $1,550.00
    Original price $1,550.00
    $1,768.80
    $1,768.80 - $1,768.80
    Current price $1,768.80

    5,300LTR Premium Flatwall Round Poly Water Tank Perth

    5,300 Litre Premium Flatwall Poly Rainwater Tank Perth DOWNLOAD PRODUCT SPECIFICATIONS Looking for a modern, unobtrusive way to store water o...

    View full details
  • Original price $8,950.00 - Original price $8,950.00
    Original price $8,950.00
    $10,876.80
    $10,876.80 - $10,876.80
    Current price $10,876.80

    50,000LTR Premium Flatwall Round Poly Water Tank Perth

    50,000LTR Premium Flatwall Poly Water Tank Perth DOWNLOAD PRODUCT SPECIFICATIONS Looking for a modern, unobtrusive way to store water on yo...

    View full details
  • Original price $3,755.00 - Original price $3,755.00
    Original price $3,755.00
    $4,499.00
    $4,499.00 - $4,499.00
    Current price $4,499.00

    25,000LTR Premium Flatwall Round Poly Water Tanks Perth

    25,000 Litre Premium Flatwall Poly Rainwater Tank Perth DOWNLOAD PRODUCT SPECIFICATIONS Looking for a modern, unobtrusive way to store wate...

    View full details
  • Original price $2,795.00 - Original price $2,795.00
    Original price $2,795.00
    $3,303.30
    $3,303.30 - $3,303.30
    Current price $3,303.30

    10,500LTR Premium Flatwall Round Poly Water Tanks Perth

    10,500 Litre Premium Flatwall Poly Rainwater Tanks Perth DOWNLOAD PRODUCT SPECIFICATIONS Looking for a modern, unobtrusive way to store water...

    View full details