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    Ravenheat He85 mis firing

    I've just spent £50 on a new air pressure switch as advised by 2 plumbers and fitted it my HE85 condensing combi boiler. But that still didn't fix it!! :( It runs fine for 10 mins, then the burner cuts out. The fan continues to run, and after about 5 seconds, the boiler makes a hollow...
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    Ravenheat HE 85 firing problem

    Ravenheat HE 85 combi condensing boiler, fitted just under 2 years ago. Run for a few minutes with no problem, then fires up and cuts out continuously every 3-4 seconds until turned off. When taps are turned on for hot water, boiler fires up and runs fine. Nothing has been changed recently...
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