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Er, still not working.

tested flow switch all ok. Continuity across sw terminals when taps on.

Yes does have a flow switch. I have tapped the relay, and the pressure sw is ok.

Hello all, I have a glowworm 100e combi, its 8 years old and never a prob till now. The Green running light on the user pcb started to flicker and the boiler tried to start up in time to this. Now it has stopped and when I switch the htg on the pump runs but the boiler does`nt try to light. This...