R47865-001 R47865001 - Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane - USA
This is a new upgraded replacement furnace air pressure switch, made in the USA..
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.
Repair Difficulty Level
Partial list of Model numbers that use this part:
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