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and small commercial AC units
directly extending the service life of the heat exchanger and burner components
reducing labor time during ignition module replacement
which is the standard size for most residential condenser fan motors
non-conductive materials
Rheem-Ruud 42-101225-81 Pressure Switch Els PW 17895 and small commercial AC unitsThe Rheem Ruud 42 101225 81 Pressure Switch is a critical safety component designed for precise furnace draft monitoring and combustion blower verification. This genuine OEM furnace part features a fixed . 35" WC set point, ensuring the system operates only when the induction motor maintains the exact static pressure required for safe venting. As a single pole single throw (SPST) air pressure switch, it acts as a primary fail safe, preventing ignition
