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Boiler keeps cutting out when central heating is on
Looking for an overview of what could be causing the boiler to cut out after a minute or two when the central heating is triggered. Hot water seems to be working with no issue. Is there anything I can try before I call someone out to take a look? It was fine before we went away last weekend
Expert Trade Answers
"Hiya it could be one of a number of issues faulty controls, poor circulation ( blockage) temperature sensor. What time of boiler is it (combi) if it isn’t I could be a zone valve or 3 port valve issue."
Answered on 14th Feb 2026 - Member since Mar 2022 -
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