A Vaillant handle for the Isolation Valve of Turbo Max VUW (fan-assisted) and Aqua Plus VUI (fan-assisted) boilers. Usually situated underneath heating appliances, the isolation valve lets the user regulate the flow of gas and water into a central heating system. It also allows the user to stop the flow in case of a leak or emergency.
Genuine replacement part for Vaillant
Technical specification
TypeHandle for Drain CockManufacturer Model No125151Brand NameVaillant