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Mend Sabre HE29 Boiler Heating Hot Water

Sabre he29?

The hot water is intermittent. It stays hot for a couple of mins and then cuts out for about 20 seconds before continuing the cycle. the green light goes out during the cold periods. The heating appears to be ok. Does anyone have any ideas. The boiler is about 5 years old. This is becomming unbearable at shower time.

Dave H
April 2013
SabreSabre HE29Heating, Home Heating SystemsBoiler Heating Hot Water
Blocked heat exchanger thermistors or motorised valve not switching over seems to be overheating

lisdar
April 2013
Hot water heat exchanger is blocked, need replace or clean also change NTC

ltd
April 2013

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