Enduramaxx 20,000 Litre Vertical Potable Water Tank
The 20,000 Litre Vertical Potable Water Tank by Enduramaxx is designed for the safe storage of drinking water. Manufactured in the UK from WRAS approved, UV-stabilised plastic, the tank can be used in domestic, commercial and agricultural applications.
Moulded in one piece, the tank offers excellent strength, impact resistance and is ideal for long-term outdoor use.
Suitable for storing mains water, emergency drinking water supplies and other potable water requirements, the tank can provide a solution when safe clean water is required. The tank is commonly used for domestic water storage, food preparation, brewing and winemaking, temporary water supplies for events and festivals and civil engineering projects where mains water access is limited.
Supplied with a Bye-law 30 kit as standard (Bye-law 60 kit in Scotland), it is designed to help meet UK Water Regulations for potable water installations.
As with all Enduramaxx water tanks supplied by the Online Tank Store, expert advice is available before and after purchase to help ensure you choose the right tank for your installation.
Key Benefits
- Manufactured from WRAS approved polymer.
- Supplied with a Bye-law 30 kit (Bye-law 60 in Scotland)
- 620mm screw down lid
- 2” male BSP outlet as standard
- 100% rust proof
- UK manufactured
- Suitable for outdoor use
- 10 year manufacturer’s guarantee
Optional Extras
We offer a range of fittings and accessories to complete your potable water tank set up, including;
- WRAS Approved Water Tank Taps
- Float Valves
- Water Tank Outlets
Additional inlet and outlet connections such as an overflow can be factory fitted to your specification. Please get in touch with our team for a bespoke quotation.
Drinking Water Information
This tank is manufactured from WRAS approved polymer and is suitable for the storage of potable (drinking) water.
For the best water quality and to comply with UK Water Regulations, the complete installation should be designed and installed correctly. Where connected to a mains water supply, additional components such as a Bye-law 30 kit (Bye-law 60 in Scotland), air gap or backflow prevention device may be required.
If you’re unsure which fittings or accessories you need, our team is always happy to help.



