P
ParrDi Gras
I have an Old Ferroli 77f combi bolier. we have had it set to Hot Water only for the past two months(due to the weather). Yesterday the boiler started making a banging noise , the temperature gauge has rasied to 100c, the boiler is not responding when I turn the temperature gauge down (you usually see the flame in the boiler decrease or increase depending where you turn the contol).And even though it is on hot water only the radiators are coming on!!! Usually the boiler only kicks in when we run a hot water tap then goes back into Standby when no hot water in use. I have tried switching the control knob to Timed Heating/Hot water and over to continuous heating/Hot water then back to Hot Water only but this has no effect. Ive also noticed that when the boiler starts to bang the pressure gauge is jumping from 1 bar upto 2 bar. Ive had to turn the boiler of at the fuse box and when I need hot water I have just turned it back on until I have enough water. Any help would be appreciated before I call an expert so i understand what the problem may be.
Regards
Steve
Regards
Steve
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