Description
This is a BRAND NEW Lennox/Armstrong/Ducane Furnace Air Pressure Switch. The Lennox/Armstrong/Ducane part # is R45694-011 (also part # 45694-011) and the Honeywell part # is IS20101-4580. Switch is rated at -0.55" w/c and has 2 wiring terminals with one hose port.
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:
IS20101-5480
Repair Difficulty Level:
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