Quote:
Originally Posted by Hunter11
Our unit has a small metal vent behind the toilet that dumps into the basement area. No filter on it. We then have another grate/vent above the pantry as you come in the entry door that is about 1'X2'. That does have filter material behind it and that has a small open area up high that looks like it dumps down the wall between it and the bathroom. I guess the heater could pull air from either or both these areas.
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Have you removed the wood framed 1' X 2' screen to actually see a filter???
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