Recent content by DLF

No power at the gas valve. three way switch in need of replacement? Do you have any ideas where I can find a list of part numbers for this boiler?

I have mains power to the boiler and continuity from the timer when the switch is activated. I have found the fault finding section in the original manual, I'll run through the procedure tomorrow and see where that gets me. Thanks for the interest, I'll let you know how I get on

thanks for the quick replies, it has a balanced flue, no fan. checked the timer for continuity, also get a reading at the gas valve solenoid when the timer is activated. so assuming wiring and electrics OK.

Hi Guys First time on the forum. i've been searching to try to find info on the problem I am having. Our central heating is run with an old Myson Apollo 30/50b Boiler, which up until two days ago has worked fine. The problem now is that when the timer switches on the boiler fails to...