Hi was at a ariston microsystem 21 rffi .boiler is not sparking. So I checked fan pump air pressure switch all is ok.i checked power going to gas valve was getting 460 v with the lead connected and 230 v with the lead disconnected from the solenoid, and there is no gas coming out of the outlet side. Not sure if it's the gas valve or the ignition pcb .
Boiler problem
- Thread starter Ollie26
- Start date
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