Recent content by footiemad

I see, so the pcb itself stops the boiler from firing when the thermistor is at temp (or should i say asjusts it to low gas) If when testing a thermistor, you get inifinty reading this would mean it was faulty? (boiler wouldn't fire) Same if it were stuck closed (no continuity) - temp...

Just a quick question if anyone knows the answer to this: new boiler suse thermistors now instead of thermostats. So how do these work? I know they give off resistances at different temperatures, but is there a range? What I mean is, on the older type boiler the thermostat would break at a...