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I have a Nordyne/Intertherm electric furnace #E2EH-012 in a mfg home I just moved into. The Handy Man removed a 16 x 20 x 1 filter (very dirty) from "somewhere". I'm not sure where a replacement filter should go??? An outside "pump" was installed before I moved in (several years ago). I don't know if the inside unit was altered??? There are two covers for the inside unit. The one at the top has the fin openings. The bottom cover is solid and has "Ventilate" above an "auto/fan-on" switch with "Intertherm" just below. I sure would appreciate any help with this I could get. Sorry for the long, drawn out question. Please help me!!!! Thanks!!!!

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  • Brian Niten Oct 10, 2010

    You want the air to be filtered before it goes through the a/c coil. Figure out which way the air is moving then start looking from there. Some units may have a small door that opens and you slide the filter in. Others may not have a door for the filter at all.

  • Vicky Oct 25, 2010

    Thank you for your help!



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The filter will go in to the backside (inside) of the cover with fins in it. There is a 1" (approx) bend (lip) there to hold filter in against backside of cover, in front of air vents. You may have to bend it slightly to get it in there but it will eventually fit in there snug. Incoming air will then be filtered as it is drawn through that filter, into blower area.
As far as fan switch goes, "auto mode" will be used when furnace is on, and fan will come on & off as necessary to dissipate heat as required. "Ventilate", should be basically same as "On", where the fan comes on to circulate the air throughout the home, just for airflow, and you control it manually.
So, when using furnace, have fan in "auto Mode".

Posted on Oct 11, 2010

  • Mike Butler
    Mike Butler Oct 25, 2010

    Your filters should have an arrow on end or somewhere, to show flow direction. When inserted on back side of the cover with fins, the arrow(s) should be pointing toward furnace.



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