Flue Damper

[paulmars]

its flapping loudly open and closed during heater use. It never did before. Why?

[paulmars]

it is not steady. it keeps pushing open and closing again.

[paulmars]

"You are only allowed to post URLs to other sites after you have made 15 posts or more."
Restated: We wont let you use this site until you've used it 15 times.
four pics: "http : / / imgur dot com / a / HbmEw""

[Lili88]

I'm agree with this your point about: We won't let you use this site until you've used it 15 times.

[paulmars]

looking for a way to adj damper w/o purchased gauge. maybe here h t t p s : //w w w dot hearth dot com/talk/threads/barometric-damper dot 32086/