4,000 Litre (1000 gallon) Underground Rainwater Tank | Enduratank
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4,000 Litre (1000 gallon) Underground Rainwater Tank

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Shipping from £10 (exc. VAT) - England and Wales
*Certain postcodes in Scotland, Highlands and Islands may cost more


  • Actual capacity of tank is 4,400 litres
  • Dimensions (mm) 2500 L x 1900 W x 2150 H
  • Comes complete with 620 mm dia plastic lid or 600 mm x 600 mm square galvanised lid
  • Optional turrets for housing control sets/weir housing or where tank is being installed deeper underground
  • Facility to fit additional lid if required
  • Manufactured in the UK
  • Guaranteed for 10 years
  • Available from stock for fast delivery

Enduratank’s 4000 litre rotationally moulded underground rainwater storage tank is designed for rainwater harvesting and surface water collection for use in industrial, agricultural, commercial and domestic schemes. Manufactured from UV stabilised MDPE (mid density polyethylene) with a ribbed construction for added strength it allows harvested rainwater to be conserved and recycled at your convenience for many purposes where either mains water is not required or is not available.

Popular uses include:

  • Landscape watering for parks and recreational purposes
  • Horticultural and Market Garden applications
  • Cost effective watering systems for groundskeepers and sporting stadia
  • Irrigation and/or wash-down facilities
  • Backwash water tanks for swimming pools

For rainwater applications please see rainwater filters, calmed inlets and overflows.

Tank sizes quoted are subject to a +/- 3% variation

Image shows 620mm dia lid version

Disclaimer: Images used within this website are for illustrative purposes only and may not always accurately reflect the product selected.

Underground Installation guide

Underground Tank Installation Guide

Installation guide

Vertical Tank Installation Guide

Rainwater Harvesting Calculator

Rainfall Calculator

Need help selecting which tank is right for you? Use our calculator below to make your selection easier!

Amount of Rain Harvested (litres):

Minimum Tank Size:

Assume the tank can fill 3 times per year (Depends on rainfall and usage patterns)

Technical Specification – VTR-452  Technical Specification – VTR-452