Water Tanks use is spilt into categories, CAT ‘1’ Being Potable wholesome water for Drinking, upto Cat ‘5’ for Tanks that can pose dangerous for human consumption, most tanks (to Byelaws (previously by-law 30) are Cat ‘3’ or higher,

Most Water Authorities are requesting tank be Cat 5, to ensure any potential contamination in the tanks cannot pass through to the mains and contaminate the area. thus a number of new tank projects request or require Cat 5 or Type AB Air gap.

For more information on Type AB Air Gap tanks please click below

Type AB Air gap Tanks – Cat 5 – Water Tanks

Drinking water tanks for the storage of cold water for the purpose of human consumption (aka Potable and Wholesome Water)

Tanks used for this purpose Should always be WRAS Approved, and be manufactured from WRAS approved Materials and built to BSEN 13280 Specification, This no only Ensures that no materials leech into the water and thus keeps the water clean as possible, but also ensures the tank build quality to last for many years.

For More information on WRAS (Water Regulations Advisory Scheme) please check out the link below:

https://www.waterregsuk.co.uk/