3P Utility Rainwater Tank System 1500 L With Pump + Accessories

£965.99  £899.00
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This utility water tank is a large scale, all-inclusive solution to rainwater storage. The 3P Technik Utility Tank System can be used in a whole range of rainwater harvesting applications. The massive 1,500 litre water tank also comes with all the parts and connectors you need, making the buying process much simpler. Included in this package is a Garden Steelpump to give you great water pressure from a hose (as good as mains pressure).

Here's a terrific installation by one of our satisfied customers:

A massive rainwater storage tank plus pump and connectors

This system offers all the parts you need to create a large scale water collection and storage system. One of the great benefits of a large volume storage and pump combination is that you can water your garden for a meaningful amount of time. If you own a standard 190 or 200 litre water butt and connect a pump (like the Garden Steelpump that we supply) to it then a full water butt will be emptied in less than 4 minutes. How far will that get you? With our utility tank system, you will get just under half an hour of watering with a pump when you start with a full tank.

This tank is no beauty, but it does hold 1,500 litres of rainwater where cost or site conditions prevent you installing underground systems. It has a small footprint and will sit equally comfortably on a garden path or in a garage. When empty each tank weighs a very solid 85kg. The dimensions of the tank are 1200mm x 780mm x 2000mm - so it is a shade over six and a half feet tall! The Wall Tank is only available in black so you can appreciate why we call it a utility tank.

The water tank comes with:

  • two 3/4 inch brass tank interconnecting points (one each side),
  • two DN50 (2 inch) outlet points (at the bottom of the tank), and
  • three marked inlet/overflow points (at the top of the tank).
  • Unlike the Rain Tank Systems, the utility tank also has a removable lid of 460mm diameter (18 inches).

The utility tank system is supplied with a powerful Garden Steelpump which means that you can enjoy the pressure and convenience of mains water while you are actually using free rainwater. Simply connect a hose or tap to the pump and it will run when you open the tap and automatically shut off when you close it, so there is no need to run back and switch the pump off. The pump can supply water at over 4 bar of pressure allowing it to push water uphill as high as 134 feet (41 metres). Using the pump, the flow rate through a 1/2 inch hosepipe is similar to mains water.

Pump technical details:

  • Power rating: 600W
  • Weight: 15kg
  • Maximum flow rate: 3,000 litres/ hour
  • Supply voltage: 230/240V
  • Water resistance: IP68 (it is submersible)
  • Power cable: 10 metres in length
  • Inlet - 1" Female BSP
  • Outlet - 1.25" Female BSP
  • Dimensions: Length - 477mm, Width - 200mm, Height - 226mm

What's included in the Utility Tank System?

Each system includes one 1,500 litre (330 gallons) black utility tank, a Garden Steelpump, easy-fit pump connection point with shut off valve, and a rainwater filter-diverter (which you install on the down-pipe).

3p filter collecter The filter collector cleanses the rainwater before diverting it sideways into the tank, while leaves and debris continue down to the drain. When the Utility tank is full the filter collector automatically sends excess rainwater to the drain as usual. The unique removable filter cartridge can be taken out in seconds for cleaning. Note that this filter collector will fit a 68-100 mm diameter round downpipe and a 65-75mm square down pipe.
This outlet multi hosetail connection from the pump allows you to use 1/2 inch (13mm), 3/4 inch (19mm) or 1 inch (25mm) hoses.
Image of the pump connector The Utility Tank System has a compact, sturdy metal valve and simple, reliable brass connector enabling you to shut off the outlet from the Tank and disconnect the pump for storage.

Note: if you don't want the full system including a pump, have a look at our offers on tanks only by clicking here.


This Water Butt is a large and heavy product so it will be sent by courier. This means that deliveries to the Highlands of Scotland or any offshore location will incur an additional charge. If you would like delivery to the Highlands or Islands please call us before ordering and we can quote you the additional delivery charge.

  • Manufactured by: 3P Technik