Snap-Action Reliability: Features a high-quality disc type mechanism for fast response and long-term cycle life

including the 35-6x and 35-7x series

and LHA series models

ensuring precise fuel delivery and stable manifold pressure

Lennox 58H31 Pressure Switch R-410A Snap-Action Reliability: Features a high-qualityThe 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