Home Improvement Questions? Ask a Handyman for Answers
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Does your boiler have a vent damper? is it open?
Ok, next check the blocked vent switch attached to the bottom of the draft diverter bell (see pics). Push the button that's between the 2 wires. If it clicks you have reset it and the burner will fire up with any luck
Not what I said. I said to check the blocked vent switch on the bottom of the draft hood.
I posted a picture of the switch
Ok, next jump out the flame rollout sensor that's above and just outside the burners. If you have a multi-meter you can also check for 24 vac at the gas valve.
Here's a pic
A new what? flame rollout sensor?
Did the burner fire up when you jumped it out? BTW you won't find one at a hardware store. Only a plumbing supply house is likely to have one
Yes. Did the burner fire up when you jumped it out?
How did this work out?