OEM Lennox Furnace Air Pressure Switch Replaces Honeywell IS20218-5262
OEM Furnace Air Pressure Switch Replaces Honeywell IS20218-5262 This is a brand new OEM upgraded Honeywell Furnace Air Pressure Switch. 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: IS20218-5262 Repair Difficulty Level: Partial List of Units that Use This Item: Hit Ctrl + F and enter your model number for a quick search!