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View Full Version : The water heater exhaust blower motor brings cold air back into house through a inlet


Doebird
Jan 16, 2011, 09:07 AM

ballengerb1
Jan 16, 2011, 09:50 AM
We need more info and maybe a picture would help. Where is this inlet, is it there to provide make-up air for what's being pushed up the exhaust stack?

ma0641
Jan 16, 2011, 02:35 PM
This is expected. The power exhaust blower is causing a negative pressure in the room where it is located and the pipe from outside is supplying make up air. In the summer the air will be hot!