I have lowered the boiler thermostat once it has been running for an hour and the boiler shuts down for a period but does start up again a little while later. Wall thermostat has no effect on the whole process and lever on one of the valves does nothing, the other valve can be closed but opens...
Hello Guys,
Firstly I'm a bit of a dunce with most matters CH, its not my forte. I moved into this house 3 months ago, so this is the first time I have needed to use this Heating system
From what I can see I have an old Back Boiler, Cold water tank in the loft, Hot water tank in Main...