Rheem Ruud Weather King Furnace Pressure Air Switch .45
42-105601-20, 42-23649-01
These HVAC parts are brand new surplus (never used) in factory box
Part # 42-23649-03, 42-105601-20, PPS10187-3079
Pressure Switch Assembly
This Rheem/Ruud/Weather King/Corsaire Furnace Air Pressure Switch has one hose port, two wiring terminals, and is rated at -0.20" W/C.
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.
Commonly Used With:
Model: Part: RKKB 42-23649-03, RKMB 42-23649-03, RKKB 42-23649-03, RKMB 42-23649-03, RKNB 42-24335-24
Replaces: 42-24335-16,
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