Worcester Gas Valve 8738717458
Worcester Bosch 8738717458
For use with the following boilers:
Worcester Greenstar R30HE Combi
and Worcester Greenstar HE27
with Worcester Greenstar R25HE
plus Worcester Greenstar R30HE
fits Worcester Greenstar R30HE PLUS Combi
and Worcester Greenstar R35HE PLUS Combi
with Worcester Greenstar R40HE PLUS Combi
plus Worcester Greenstar 25HE
fits Worcester Greenstar 30 HE PLUS Combi
and Worcester Greenstar 30 HE Combi
with Worcester Greenstar 28 HE System
plus Worcester Greenstar 29 HE Conventional
fits Worcester RD 532I NAT GAS
and Worcester RD 532 NAT GAS
with Worcester RD 430I NAT GAS
plus Worcester RD 428
fits Worcester Greenstar FSN
and Worcester Greenstar FSP
with Worcester Greenstar HE FSN ZB 7 27KW
plus Worcester Greenstar HE FSN ZWB 7 27KW
fits Worcester Greenstar HE PLUS FSN 7-28KW
and Worcester Greenstar CC1 FSN 29KW
with Worcester Greenstar CS1-FSN-GB NG 28KW
The gas valve is employed in the distribution of gas.
When gas is required in the burner the printed circuit board (PCB) sends a signal to the gas valve, which opens to allow gas to flow into the burner or the pilot assembly (depending on the model of the appliance).