My boiler works fine most of the time but I recently noticed that when the timer switches off, then so does both the boiler and the pump, and the internal temperature gets really hot, like 95 degrees. This is different to when only the room thermostat goes off. Then the pump continues to run to ensure the hot water in the system drops down to a satisfactory level after the boiler has stopped delivering heat. The boiler is around 20 years old - was it usual for the boiler to do this then or should there be some extra internal wiring to drive the pump?
Is this normal - Worcester Bosch R29 boiler?
- Thread starter andyv1
- Start date
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