1,800L Water Tank (Round)

Our 1,800 litre (400 gallon) round tank is ideal for small spaces around homes, townhouses, villas and units. Installing one or more small tanks will provide you with extra water for your pot plants, gardens and washing your vehicle.

Available Colours

National Poly's rainwater tanks are available in 15 modern colours to match your property.

  • Smooth Cream
  • Desert Haze
  • Wheat
  • Beige
  • Merino
  • Light Grey
  • Slate Grey
  • Mountain Blue
  • Black
  • Mist Green
  • Heritage Green
  • Rivergum
  • Stormedge Blue
  • Heritage Red
  • White

Tank Specifications

Capacity: 1,800 Litres (400 gallons)
Availability Available in Queensland QLD Available in NSW/ACT NSW/ACT
Height: 1,500 mm 1,500 mm
Inlet Height: 1,480 mm 1,430 mm
Diameter: 1,380 mm 1,380 mm
Weight: 50 kg 50 kg

Accessories included:

  • Stainless Steel Meshed StrainerStainless Steel Meshed Strainer
  • Stainless Steel Meshed OverflowStainless Steel Meshed Overflow
  • Brass Outlet of 1 1/4” standardBrass Outlet of 1 1/4” standard
  • Brass Gate Valve of 1 1/4” standardBrass Gate Valve of 1 1/4” standard

Round Tank Features

  • Round ribbed-profile water tanks
  • Designed for strength with thicker walls at the base
  • Engineered using finite element analysis to ensure long term structural integrity
  • Weight guarantee - your assurance of quality
  • Self supporting roof - no internal poles
  • One piece tank construction - no vertical side seams
  • 20 year warranty (conditions apply)
  • 100% UV protection against harsh Australian conditions
  • Made of 100% food grade material (Australian Standard AS2070/AS4020)
  • Manufactured to comply with the Australian Tank Standard (AS/NZ 4766:2006)