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home Fix label Heating label_important Home Heating Systems category Vokera

could it be a thermistor?

trying to find out whats wrong with my vokera option combi, it fires up on hw then trips out, the water then goes cold then the boiler fires back up,but it does the same with ch.if one thermistor is no good could it affect the ch aswell has the hw.
dave, October 2009
home Fix label Heating label_important Home Heating Systems category Vokeradone
gas valve pressure might need resetting and range setting

kieran huddersfield, November 2009
i changed the air pressure switch but it did the same thing so then i replaced the thermistors and it worked.

dave, October 2009
dirty flue venturi. Google it. Differential air pressure switch causing drop outs. Job for competent gas man, though not difficult, because of safety critical bits.

c, October 2009
link Click here to see other fixes for Vokera Option Combi.

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