Please note: These installation instructions are ment as a guide, if you have any queries, you should contact your local builder or building inspector.

These underground water tank installation instructions are based on a 2800 Litre tank. You may need to make some changes to suit your installation.

Digging out

You need to make sure that the water tank is sitting flat and true before fill it with water. To achieve this you should dig an extra 100 - 150mm. This would be enough to lay a concrete base.

Around the tank your should allow 150mm gap for back filling later.

You should also at this stage be digging out your trenches for your pipe work and inline filters.

Installing the Water Tank

Once the concrete has dried, lower the tank in to the hole. If your have been supplied a neck ring this should be cut to length to finish flush with the ground.

If you find the neck ring loose, apply some silicon seal.

To stop the water tank from rising up out of the ground when the water table rises, we recommend you backfill 450-460mm deep around the tank with concrete.

If you live in a high water table area, then you should use more concrete. If you are unsure, contact your local builder.

Once the concrete has set, backfill the remaining space with pea shingle and surround materials.

Aftercare

Most underground water tanks don't need any aftercare straightway. If the water is undisturbed for a period of time, it may become stagnant and start to smell. Over many years of use the water tank may require cleaning, which can be done by using a mop.

NEW 750 Litre Water Tank

£160.00 + VAT

Unit 1
Whiting Way,
Melbourn
Cambridgeshire
SG8 6NA

Tel: 0871 200 2082
Fax: 01763 268409

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