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SwanInWA's avatar
SwanInWA
Explorer
Jan 06, 2017

Propane smell when furnace is running - Suburban SF-30F

We're getting a propane type smell whenever we turn on our furnace. No visible obstructions in the intake or exhaust. Did the soap check for leaking, switched to a fuller tank, but we're not having ...
rhagfo's avatar
rhagfo
Explorer III
Jan 07, 2017
TakingThe5th wrote:
I hope you don't have a hole in your heat exchanger.


X2!
Could be a manufacturing defect in the heat exchanger!

Not likely from the exhaust as the combustion chamber is using and exhausting to outside air, the heated air is strictly recycled inside air. The only way for the two to mix is bad heat exchanger.

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