Barnstable, MA
Need some help troubleshooting
(Topic ID: 302648)
Make sure the pilot burner is clean and has a good Large flame on the thermal couple.
If you can't get the pilot to stay lit with a new t couple and strong pilot flame it's probably a bad has valve.
I assume this is an older boiler and all rollout and safety switches are ok.
Got it lit. I tapped lightly on the gas valve with the wooden handle of a hammer around the electrical connections. Held pilot button down and now stays lit. Yes, it's a 38 year old Burnham that I am looking into replacing before the winter arrives.
Thanks for your reply.
Quoted from Playdium:Burner. Changed out the thermal coupler due to the pilot not staying lit. However, same problem exists after swap. Should I see constant 24 volts at the gas valve? Not seeing any voltage there at all.
Thermo couples put out milivolts when the flame is on them. It could either be a bum new thermo couple or the gas valve.
Quoted from Playdium:Got it lit. I tapped lightly on the gas valve with the wooden handle of a hammer around the electrical connections. Held pilot button down and now stays lit. Yes, it's a 38 year old Burnham that I am looking into replacing before the winter arrives.
Thanks for your reply.
Tapping on it sounds like the solenoid is sticking. I’d replace it. Or keep a small mallet handy every time you want Heat!
How old is the gas valve?
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