It's a potterton kingfisher with a honeywell thermostat - very old and dusty but was serviced last year. Um, the tradesman (an as yet unpaid friend ) has been back and checked there is no air in the system - or at least no air in the radiators. How do I check if the pressure is too low in the...
Have just had a new radiator fitted and since then can\\\'t get Potterton boiler to fire up. It starts and then switches off after 1minute. Is it faulty thermostat or something to do with new radiatior and air in system? :cry: