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home Fix label Heating label_important Home Heating Systems category Chaffoteaux

chaffoteaux calydra 80 combi boiler?

intermittant fault - heating on when hot water only selected
Keith, September 2011
home Fix label Heating label_important Home Heating Systems category Chaffoteauxdone
I have same problem, I think it's the diverted valve, as the boiler try's to heat the thermal store but the divertor valve isn't operating so sends the heat to the rads, the hot water thermistor is therefore never satisfied so continues to keep the burners on

Luke, October 2011
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