Rheem-Ruud 42-101443-89 Pressure Switch Els PW 17895 Use a multimeter to measure

Use a multimeter to measure the primary side for 120V AC

Common Questions: Is the 3H0372660003 compatible with older Modine 53081 units

What electrical supply is required for this BE series coil

Secure Connection: Equipped with a Molex side lock connector and 0

Rheem-Ruud 42-101443-89 Pressure Switch Els PW 17895 Use a multimeter to measureThe Rheem Ruud 42 101443 89 Pressure Switch is a critical OEM safety component calibrated at . 45" WC (Water Column) for precise combustion monitoring in high efficiency gas furnaces. As a veteran grade dual stage pressure switch, this part ensures the inducer motor maintains the required vacuum pressure before allowing the ignition sequence to proceed, preventing hazardous exhaust buildup. This specific furnace air pressure switch is the certified