67Dart273
Well-Known Member
No you are thinking of AC. This is the drain from the condensing furnace and has to be trapped "normally" to keep combustion gas out of the drain, and out of the heated spaceWhat is make & model of the furnace?
From pictures, I don't think a trap would be required as it appears located positive side of the blower - it would drain regardless. But without a trap it would be noisy.
He was going to punch the drain out through the wall
Here is the manual