The 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 in to the burner or the pilot assembly dependant on
Supplier Part Number: 053473
Comes complete with O-rings, Washers and Screws
Fits a large number of Vaillant Boilers
Manufacturer Model No
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