No heat getting to radiators? Thermostat working, is there any easy way to check weather its the pump or the diverter valve that is not working. Worked ok a couple of days ago but has been switched off all summer. About two weeks ago there was some noise from pump or valve when running hot water. Any idears! Worcester Heatslave 20/25 Comi Boiler.
Cold Radiators
- Thread starter Dulux55
- Start date
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