Lennox 58H31 Pressure Switch Refrigerant technicians must mount the unit

technicians must mount the unit with the diaphragm in a vertical plane to maintain the specified operating set point

This item is the cover plate gasket only

Thermal Efficiency: Round aluminum casing facilitates superior heat dissipation

System Longevity: Prevents compressor damage by ensuring 100% vapor state before entering the suction line

Lennox 58H31 Pressure Switch Refrigerant technicians must mount the unitThe 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