49L90 49L9001 - ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane
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Description
This is a new ClimaTek Furnace Air Pressure Switch It contains one hose port and two wiring terminals. It replaces the part numbers listed below.
An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the proper vacuum for your furnace to flue safely.
Replaces:
49L90 49L9001
Repair Difficulty Level
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