Boiler not Firing


Postby ozzieowl » Tue Oct 26, 2010 7:32 am

My CH has suddenly stopped working in that operation of the room thermostat no longer fires the boiler. The thermostat seems to "click" as you would expect, but when you call for heat, there is no firing of the boiler. We have ample supplies of hot water but no heat. Is this as simple as a replacement as a new room thermostat is required, or something more sinister such as a motorised valve not operating correctly and therefore always calling for hot water?
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Postby htg engineer » Thu Oct 28, 2010 5:03 pm

Probably three port valve/motorised valve at fault.

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Postby ozzieowl » Fri Oct 29, 2010 7:33 am

Thanks htg engineer. We've had somone in now that has confirmed this.

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