Vaillant Gas Valve is a gas distribution device. When there is a need for more gas in the burner, a communication is sent from the PCB to the gas valve, which upon opening allows gas to pass through the valve into the burner.
Comes complete with O-rings, Washers and Screws
Fits a large number of Vaillant boilers
Technical specification
TypeGas ValveManufacturer Model No53473Brand NameVaillant
Reviews
Vaillant Gas Section with Washers and Screws 053473