Lennox G11 Furnace - How to change filter?

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  • tepierce
    New Member
    • Apr 2004
    • 2

    #1

    Lennox G11 Furnace - How to change filter?

    I am confused about changing the Pad D filter in this furnace. There are 2 sides to the pad - on side is denser and seems that it would not allow as much dust to pass through. Which side faces the inside of the furnace?
  • Hube
    Journeyman
    • Nov 2003
    • 453

    #2
    Tepierce; Welcome to the Forum... Are you sure there is no "air-flow" arrow? Normally the DENSER side will be closest to the INTAKE side of the FAN. Hube

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    • tepierce
      New Member
      • Apr 2004
      • 2

      #3
      There is an arrow pointing down that says "fan direction". This filter is a large unframed piece of filter that goes around a u-shaped metal screen which slides in and out of the furnace. One side would be closest to the fan and one side would be farthest away.

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      • Hube
        Journeyman
        • Nov 2003
        • 453

        #4
        The arrow should be installed pointing into the fan intake. Hube

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