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Mend Radiators Heating Fault

radiators come on when the HW is switched on?

When put HW only on, all the radiators come on as well. I replaced the timer thinking it was a fault in it, but it still happening.

Norman
June 2009
Heating, Home Heating SystemsRadiators Heating Fault
Check your Motorised Valve/s, htg valve could be seized or letting by

www.elanar.co.uk
June 2009

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Radiators On With Hot Water - Help!