Description
OEM Lennox Armstrong Ducane Furnace Air Pressure Switch Replaces Honeywell IS22141081S5 1.41"
This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 57M66& the Honeywell # is IS22141081S5082. It is rated at 1.41" W/C PF. Switch has 2 hose ports and 2 wiring terminals.
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:
IS22141081S5
Repair Difficulty Level:
