What does that vent ?
Rheem tankless - just started last month. 3 years old...
Yeah, I have no clue.
Reversal of the intake and exhaust makes perfect sense. That is what I would be focusing on. Verify before doing anything.
Make sure it is not plugged slightly.
I'd potentially agree but the unit was installed 3-years ago and this just started last month.
where is this, SE Pennsylvania?
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