Which side of the Suburban Furnace 070853 Rectangular Bottom Duct Gasket touches the floor? (Suburban Bottom Duct Gasket For SF Furnaces)

Answer

Mar 10, 2026 - 01:41 PM

Suburban does not specify a "floor side" for the 070853 gasket. It is a flat fiberglass bottom duct gasket used between the furnace and the floor/duct opening, so either side can face the floor as long as it sits flat and provides a tight seal when installed.

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