Description
This is a BRAND NEW Honeywell Rheem/Weather King/Corsaire/RUUD Gas Furnace Air Pressure Switch! The Rheem/WKing/Corsaire/RUUD Part # is 42-101443-89 (also part # 42-101443-09 and IS20346-5633) and It's rated at 0.45" W/C . It has three wiring terminals and one hose port! This switch replaces all the old part #s listed below.
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:
42-21582-03
Repair Difficulty Level:
Partial List of Units that Use This Item:
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