Lennox Armstrong Ducane Furnace Air Pressure Switch 57M66 57M6601 1.41" WC PF
 

This is a BRAND NEW OEM Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 57M66 (also57M6601 ) & the Honeywell # is IS22141081S5082. It is rated at 1.41" W/C PF. Switch has 2 hose ports and 2 wiring terminals. Thanks for looking and good luck!

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:

57M66 57M6601

Repair Difficulty Level: difficulty graph

 

Partial List of Units that Use This Item:



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