worcester comi boiler
- Thread starter flood321
- Start date
Diverter valve fault most likely. Or as other posts wireless thermostats
always a problem.
You will need an engineer.
always a problem.
You will need an engineer.
Them bloody russian boilers playing up again, never been the same since the WALL came down. 
Seriously check roomstat, programmer especially if wireless.
Seriously check roomstat, programmer especially if wireless.
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