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i've got a myson Apollo 30si boiler late eighties. Goes through the ignition sequence fan comes on and pilot ignites. it continues to spark repeatedly and main burner wont light. There are two solenoids on gas valve, i've got 240volts on pilot one and nothing on main burner solenoid. Air...

Hi guys wondering if you could offer me any advice ? A customer has had a mixer shower fitted not thermostatic, but compatable with a combination boiler ( manufacturers) hot water is getting hot but boiler is switching off every 40-50 seconds and goes off for about 7-8 secs. Ive tested both...

Had a quick look at neighbours boiler just now,tools at work.checked mains fuses ok, fuse spur replaced 13 amp with correct 3 amp and even replaced internal fuse on pcb.before i go back with multimeter tomorrow,anybody aware of any obvious faults on this boiler ?

Boiler was not responding to either of the hot water or htg boiler stats,consequently it was overheating and blowing the prv and going off on high limit. On advise i changed the micro switch on diverter valve and checked all electrical connections, unfortunately same thing happened. I've...

Boiler is getting up to temperature and going off on high limit. When both hot water and heating stats are off and boiler is set to heating/hot water or just hot water. It appears to just bypass boiler stats,also neon for burner doesnt come on and it does work. Looks to me like gas valve or...