Harlequin 2500 Litre Underground Water Tank
A 2,655 litre underground water storage tank from Harlequin, made in one piece from medium density polyethylene. It goes below ground, so it’s out of sight and the water stays cool and dark. It’s for non-potable water such as harvested rainwater.
The price includes delivery to most of mainland UK. It’s a kerbside delivery, so you’ll need to offload the tank yourself.
Key Features
- 2,655 litres nominal capacity
- Non-potable for water that isn’t for drinking
- 500mm access opening with manhole lid
- Moulded in lifting eyes for lowering the tank into the dig
- One piece body with no seams or welds to leak
- Lightweight and won’t rust or corrode
- 2400 x 1350 x 2135 mm, about 150 kg empty
Typical Uses
- Storing harvested rainwater out of sight
- Gardens and sites where a tank above ground isn’t wanted
- Pump fed garden watering and toilet flushing (with a suitable pump)
Delivery and Offloading
Delivery is included to most of mainland UK. The tank usually arrives in 3 to 4 weeks, and we’ll confirm the delivery day with you before it’s sent out.
Tanks are dropped at a kerbside or hard standing point. At about 150 kg you’ll need a suitable machine or several people to offload it. Please make sure a large delivery vehicle can reach your site. If you need a HIAB (crane) offload, or the delivery is to the Scottish Highlands or islands, Isle of Wight, Isle of Man, Channel Islands or Northern Ireland, call us on 01522 396350 before ordering as these cost extra.
Underground tanks must be installed on a suitable base and backfilled to the manufacturer’s instructions. We recommend using a competent groundworker.
Not sure which size you need? Call us on 01522 396350 and we’ll help you pick the right tank.




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