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My furnace exhaust smells pretty bad - sort of an organic smell. Honestly it smells a bit like propane and rotten grass, or bad toe-jam, or really bad morning breath.
Its a natural gas 90+ efficiency with separate intake and exhaust PVC runs to the outside of the home through the rim joist.
I looked at the flame last night and it was bright blue, so no combustion issues. The motor and blower seem to be working great.
Anyone have any ideas?
I suppose the next step is to take the exhaust run apart and make sure no little critters crawled in there - but it's all glued up, so I thought I would post here first...
Thanks in advance...