Recent content by garageman

System is Baxi bermuda back boiler , feed and expansion tank in loft so presume pumped system. With cenral heating and hot water on but room thermostat at zero the radiators still come on, the worst one being the kitchen unit which is only rad without thermostatic valve. Is thermostat faulty...

Thanks for the input guys, how difficult is it to change? Am reasonably competant mechanic

System is [I think] open vented,baxi bermuda back boiler. Problem arose after gas board changed the meter? He switched off the gas at boiler then relit after meter change but set thermostat control on boiler to max. Later same day the system vented very hot water out of overflow into the feed...