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Joseph GibbsAug 21, 2025
Why won't my Ferroli Boiler light for C.H.?
- ZzmuellerAug 21, 2025
If your Ferroli Boiler isn't lighting for central heating (C.H.), the problem is most likely with external controls such as clocks or room thermostats. If the heating demand light is illuminated, the C.H. sensor is likely the issue. If the light is off, suspect a clock or room thermostat isn't calling for heat. To bypass external controls, disconnect them from terminals 3 and 4 beneath the boiler and reinstall the link wire.
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