HELP! Boiler keeps going off after about 50 seconds when fired up for CH, keeps alight for as long as is required when drawing HW. Changed the pump/CH temperature probe/even fitted new heat exchanger. Any suggestions PLEASE
ARISTON 23 MFFI MICRO COMBI BOILER
- Thread starter teebag
- Start date
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all that work and parts ,been better to get rgi out and safer
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