The isolation valve sits underneath the heating appliance and gives the user the ability to control the flow of gas and water in to the central heating system. These also allow for the supply to be stopped completely in case of an emergency or a leak .
Supplied with fittings
Technical specification
TypeFilling LoopManufacturer Model No1000-0022370Brand NameJohnson Starley
Reviews
Johnson & Starley 1000-0022370 Filling Loop Kit Reno