Thanks Nestor_Kelebay all helps in the understanding would very much appreciate your view on my thread "boiler keeps going out" down from this one, if you have the time.
Thanks either way
Hi, Yes case size u state, pump on right, and there is a window to view the pilot light. There is an overheat stat. Gas valve is long rectangle box shape with blue knob as u say. 24v supply to valve with pilot light fitting on top of valve between main valve and knob. Gas in one end out other...
Hi,
Sorry should have mentioned boiler is very simple with thermocouple, overheat thermostat and 24v supply to main valve. When pilot light goes out there is still 24v on main valve and the overheat thermostat has definitely not tripped
Yes other people have trouble identifying the boiler...
How some gas boiler pilot light thermocouples work
It is an electrical device consisting of two dissimilar metals joined together at two joints if you heat one joint and keep the other joint cool a small voltage is produced. The thermocouple used in many gas boilers consists of a thin metal...
Gloworm 65/80 very old 25 years plus.
2 years ago boiler kept going out but not cured by changing thermocouple. Gas fitter said gas valve needed replacing and did so at considerable expense. Worked for a couple of days then same problem returned. I eventually found that the pilot light jet was...
Hi Nester-kelebay
Found the thread mentioned and comment from you re solder joints but would be interested to see your mentioned comment on how a gas valve works. Have just started a thread with my problem
Regards Paul