Intermittent boilet fails to fire on heating?
fitting thermostat?
performa 30 he fault fan flue lights on ?
radiators hot when water turned on?
glow worm 2boiler fires up for 10 to 20 mins then shuts off whats wrong?
Suprima 50?
when the boiler is off at times the heating /radiators come on?
Glow-worm 30cxl?
Loud clanging/Glow-worm Boiler?
Glow worm Space saver pilot light will not stay ignited?
boiler will not turn off (only manually)glow-worm micron 80ff?
boiler fires up/fires off cycle?