5,000 Litre Underground Water Storage (Enduramaxx)

Diameter: 1900 mm

Length: 3500 mm

Weight: 220 kg

Shipping:  £200.00 to England and Wales




5000 Litre Underground Water Storage(Enduramaxx) (1100 Gallons)

If you are looking for water storage in a garden where you are space restricted, or need the tank to be out of sight, then this 5000L underground tank is the natural choice. Underground water tanks provide discreet storage of water. They are a popular option for small gardens and sensitive landscapes.

This below ground water tank provides a cost effective water storage solution and is rotationally moulded from UV stabilised mid density polyethylene giving a robust tank for years of use.  Perfect for agricultural, horticultural and commercial customers. Can be used for rain water harvesting, this large capacity underground water tank is manufactured using market-leading rotational moulding methods and is made from premium grade MDPE.

This 5000L underground water tank is light weight and easy to maintain, low maintenance and corrosion resistant. They are non-potable i.e. not intended to storage water for human consumption.  Harlequin tanks are supplied complete with all immediate, required fittings as standard.

The potable water tank comes with a 450 mm plastic lid, and the non potable tank comes with a 600 mm x 600 mm galvanised lid.  Please choose at the checkout which tank you require.

Our Enduramaxx 5000L Underground Tank features:

  • Moulded in one piece, from durable medium density polyethylene material
  • 500mm access opening
  • Moulded in lifting eyes, easy to handle
  • UK manufactured
  • Stocked for quick UK delivery
  • Low maintenance
  • Rust Free


Terms and conditions apply.  It is the customer’s responsibility to ensure that adequate access and turning space is provided for a flatbed vehicle and that appropriate offloading facilities and equipment is provided. We deliver tanks direct to site.  Please contact us on 01953 665940 for Hiab and other special delivery requests and we will be happy to assist.

Shipping is £200.00 to England and Wales, please give us a call for a quote if the delivery address is in Scotland.

Additional information

Dimensions 3500 × 1900 × 1900 cm
Tank Size

4,200 – 5,000 Litres


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