18L48 18L4801 - ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane
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Description
This is a new ClimaTek Furnace Air Pressure Switch 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:
18L48 18L4801
Repair Difficulty Level
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