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Mend Vaillant Baths and Showers

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Mend Vaillant Electrics Hot Heating

vaillant boiler trips house electrics when hot tap on?

When i put hot tap on or fire up the heating the main rcd trips on the fuse board.any ideas

steve.r
August 2012
Depends on which Vaillant, but in general, a faulty large motor will trip an rcd. Suspect pump and fan initially.

Carefree
August 2012
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