18L49 18L4901 - ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane
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Description
18L49 18L4901 - ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane
This is a new ClimaTek Furnace Air Pressure Switch Please note that this product will need its mounting bracket flipped on the 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:
18L49 18L4901
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