Description
This is a brand new OEM Lennox Armstrong Ducane upgraded Air Pressure Switch.55".95". It replaces the part numbers listed below.
Function:
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 Old Part #s:
56M22 56M2201
Repair Difficulty Level:
Partial List of Units that Use This Item:
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