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What is a Cat 5 Water Tank? A Cat 5 water tank features an air gap between the inlet and outlet to ensure that the water in the tank or cistern does not flow back into the mains supply. These air gaps are Type AB which meets the relevant Water Regulations requirements for Category 5.
Fluid Category 5 Break Tank
Fluid Category 5 AB Air Gap Break Tanks are required for the installation and use of cold water storage cisterns and sectional tanks connected to the public water supply. For more details on installations which come under the scope of fluid category 5 are available here.
View our article on What are WRAS fluid categories? here
Insulated CAT5 Water Tanks
Insulated Fluid Category 5 AB Air Gap Break Tank is required where the tank is installed in locations such as plant rooms, outside in sunlight where the ambient height outside the tank could possibly cause the water in the tank to rise with a risk of legionella. More details on managing this in hot and cold water systems is available here.
Installation and use of cold water storage cisterns and sectional tanks connected to the public water supply must comply with Water Supply (Water Fittings) Regulations 1999 in England and Wales and the technically identical Scottish Water Byelaws. In order to meet these requirements, Fluid Category 5 Break Tanks must be used in this instance.
What is CAT 5 Water Supply? View our article here
CAT5 Fire Sprinkler Water Tanks
Slimline fire sprinkler water tanks will often come under the requirements for CAT5 or fluid category 5. Firefighting water storage tanks are designed to safely store water to feed fire sprinkler systems or for on-site firefighting water storage. Our range of slimline water tanks which are available with Fluid Category 5 backflow prevention air gap turret and weir allowing the installer to use one-piece moulded tank saving time rather than sectional tanks which require assembly on site. Our 1000 slimline water tanks are designed for space restrictive locations and to fit through doorways which is fitted with the letterbox weir, screened mesh to prevent the ingress of dust and insects and a cowl over the weir.
View our fire sprinkler tanks here
If you have questions on What is a Cat 5 Water Tank or require help on complying with these regulations please get in touch.