Description
This is a BRAND NEW Furnace Air Pressure Switch. It is designed to replace the now obsolete Lennox/Armstrong/Ducane/Honeywell air switches with part #s IS20151-3386 & 20293413 (this switche used to be rated at 1.25")
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:
IS20151-3386 20293413
Repair Difficulty Level:
Partial List of Units that Use This Item:
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