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Combi cutting out and overheating

Baxi combi working on central heating mode but when hot water tap is turned on the water gets cool then the boiler rattles and shuts down. temperature goes up to 3 rapidly

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Is this a baxi 105? chances are you diaphragm has gone on your diverter valve. Or your diverter valve.
Do you will initially get a liitle hot water if your heating is on?

Posted on Dec 30, 2008

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