Re: Ongoing problem with Worcester-Bosch boiler
Just a thought, does this problem occur during wet weather? Had a case recently on a 37cdi combi where condense was connected to drain pipe, 3m below there was a blocked connection to a water butt (one of those water saving/storage thingies...) this blockage backed up the drain pipe, water found it's way up the condense and gave us EA...emptied water from gas govenor (!?!?!) fan, heat exchanger etc etc....boiler worked fine....
changed condense route....prob solved.
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