The pump is working (if you physically move the room thermostat up or down and the boiler shuts up and down) the waters heating up, I've replaced the room thermostat and the timer is only about a year old. So why won't the room thermostat switch on and off the boiler and pump the water round the heating system? The water just seems to sit there until it bangs and could almost be boiling in the back boiler and pipes and the radiators get that hot I am scared the grand children will burn themselves if they were to touch them. Please help!
Boiler and pump
- Thread starter Evie99
- Start date
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