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
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