main 30 combi he

  1. S

    Main / Baxi Combi problem

    Hello, I've been reading lots of posts on here and thought I had a solution to my problem but after some investigating I ain't so sure. I'll start with the symptoms: Main HE 30 Combi. Differential valve push rod stuck out, so micro-switch was always engaged, so constant hot water demand. Lots...
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