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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 ...
John_Joey's avatar
John_Joey
Explorer
Jan 07, 2017
You could have a cracked heat exchanger, something I wouldn't play around with. Nothing worst then waking up dead. On that topic I would buy a carbon monoxide detector and plug it in.

Since you got the unit out you can bench test it pretty easy. All you need is a 12 volt battery and a propane line. Take it outside and hook it up and see if you can spot what the problem is. Go to YouTube to see how to bench test it.

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