Description
This is a BRAND NEW OEM Upgraded Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The switch is rated at -0.40" w/c and has 2 wiring terminals with one hose port. Thanks for looking and good luck! The primary photo shows the updated switch, and the second photo shows the old version.
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:
IS20101-5816
Repair Difficulty Level:
Partial List of Units that Use This Item:
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