Description
This is a BRAND NEW OEM Armstrong/Lennox/Ducane Furnace Air Pressure Switch. The Armstrong/Lennox part # is 100684-02 (also part # IS20101-3130). Switch is rated at -0.60" 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:
R100684-02 100684-02
Repair Difficulty Level:
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