A/C Filters

Old 05-08-14, 01:18 AM
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Join Date: Feb 2013
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A/C Filters

Hey everyone,

My Lennox EB29m-31-1p looks like it is missing an air filter. In the highlighted section in the picture (at the bottom of the unit) when I removed that access panel, it sure looks like a filter goes there, but there isn't one.

I have an intake filter in my house, and I wasn't sure if the one on the handler was removed because I already had one in the house.

Should I install a filter there? Would this cause damage to the unit, over time, quicker then having a filter installed?

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Old 05-08-14, 01:59 AM
Join Date: Mar 2006
Location: Wet side of Washington state.
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If you have a filter in each return air grille (or the only return grille) you do not need one at the furnace proper.

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