Enduratank 20,000 Litre Non Potable Water Tank

Enduratank 20,000 Litre Non Potable Water Tank

Product Ref: 172138

Customer Offloading Free Delivery MDPE Vertical Above Ground

Made to Order Manufacturing Times Vary - Contact us for up to date information

Home Delivery

UK mainland delivery from FREE ex VAT

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from £1,895.00 ex VAT
(£2,274.00 inc VAT)
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Product Description

Enduratank 20000 Litre Non Potable Water Tank

This 20000 Litre (4400 Gallon) above ground non potable (not suitable for human consumption) water tank is made from a Medium Density Polymer (MDPE).

Larger tanks come with positive tie down points for easy handling and positioning.

The standard colour is black. 

This non potable tank is manufactured using the same polymer as the WRAS approved tanks. To make the tank WRAS approved they are fitted with a potable outlet. If the you require this tank for drinking water, please click here

  • Supplied with a 2" outlet as standard
  • One piece, seamless, rotationally moulded tank
  • Robust and durable
  • Cost effective water system
  • Available in Black, Natural and Dark Green (non potable)
  • 100% Rust proof
  • 10 year guarantee
  • Dimensions - 2850 dia x 3600 H (mm)
  • Lid: 620mm
  • Made in the UK

Uses of a 20,000 Litre Water tank

  • Horticultural, landscape and Market garden Applications
  • Toilet flushing in domestic and commercial environments
  • Agricultural Settings
  • Irrigation and/or wash-down facilities
  • Backwash Water Tanks for swimming pools
  • Water systems for Sports facilities or groundskeepers
  • Applications of civil engineering in which main water is unavailable 

Optional Extras

The 20,000 Litre tanks can be purchased as a standalone tank, however to fit your application you may require some extras to complete the install. We offer a range of extras to make the installation of your new tank as smooth as possible, Water level gauges, tank to tank joining kits, BSP outlets and many more.


All the Enduramaxx tanks are for delivery by customer offload. This entails the customer to acquire the right manpower and/or machinery to help unload the tank/s from the delivery vehicle.

If you require assistance with offloading, we may be able to offer a tail lift (lowers the tank to the ground) or HIAB (lorry with a mounted crane to winch the tank off the delivery vehicle). Please contact us if this is required for delivery.

Cost includes shipping to most UK postcodes (certain postcodes may cost more, see our terms page for more details).


Our shipping costs cover most of the UK - however, parts of England, Scottish Highlands and Islands including areas north of the Glasgow / Edinburgh border, Isle of Wight, Channel Islands, Isle of Man, Anglesey, Western Isles, Shetland Islands, Orkney Islands, Isles of Scilly, Northern Ireland and the Republic of Ireland may cost more.

Please call before ordering if the delivery postcode is listed below. There may be additional shipping costs. AB, BT, CA, CT, DD, DG, EH, FK,G, GY, IM, IV, JE, KA, KW, KY, LD, LL, ML, PA, PH, PO 30-41 (Isle of Wight), SA, SY, TD, TN, TR, ZE Southern Ireland

Our lead times should only be used as a guide and are subject to change.


Unless a hi-ab delivery has been booked at additional cost, it is the customer's responsibility to offload with suitable equipment on the day of delivery and a failed delivery may result in additional charges.

We recommend installers and/or plant hire & materials for install such as excavators, aggregates etc are not booked until you are in receipt of the goods. Tanks Direct cannot be held responsible for costs incurred due to unforeseen delays, please see our terms for more details.

If you have any questions regarding your delivery please contact the Sales Team on 01643 703358.

Returns Information

Customers may return items within 14 calendar days (as per our Terms & Conditions) - refer to 4.6 & 4.7. **

Please be aware that returning a tank can be complicated and expensive so please check that you are ordering the correct item (we suggest checking the dimensions very carefully).

If you wish to return goods, please complete the form on this page to provide further information.

Once your request is approved, a valid Returns Authorisation Number (RAN) will be issued to initiate the returns process along with information on how & where to return your order along with any costs involved.

Please DO NOT return any goods without this authorisation. Goods cannot be accepted without this.

Returns are not accepted at our Minehead Office, please wait until we contact you before returning any goods.

Please click here to request a return

Product Specification

  • Product Code: EN
  • Colour: Black, Dark Green, Natural
  • Customer Offloading: Customer Offloading
  • Free Delivery: Free Delivery
  • Lid Size: 620
  • Material: MDPE
  • Potable: Non Potable
  • Shape: Vertical
  • Tank Use: Above Ground
  • Volume: 21000ltr
  • Weight: 430.000kg
  • Dimensions: H:3600mm
  • Diameter: 2850mm

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