Lennox 58H31 Pressure Switch Els PW 29614 this unit is specifically designed

this unit is specifically designed for suction line applications where high-flow

Built with a rugged glass-filled polycarbonate housing and a high-grade silicone diaphragm

135 in-lbs

Precise Flow Calibration: The #54 drill size provides a consistent 7

This unit serves as the direct replacement for the FS4-3JE

Lennox 58H31 Pressure Switch Els PW 29614 this unit is specifically designedThe Lennox 58H31 Pressure Switch is a critical safety component designed for precise draft verification in residential and light commercial HVAC systems. This genuine OEM part features a factory calibrated 3. 00" WC (Water Column) set point and a Single Pole Single Throw (SPST) configuration, ensuring the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As the verified direct replacement for the legacy