Lennox 86H31 High Pressure Switch 410 PSI Manual Reset

The Lennox 86H31 High Pressure Switch is a safety device designed for your Lennox HVAC system. It acts as a guardian against excessive pressure buildup within the system. If the pressure rises above the preset limit of 410 PSI, the switch automatically shuts down the system to prevent potential damage to the compressor and other components. This single pole, normally closed (SPST-NC) contact switch features a manual reset button, allowing you to easily restart the system after the pressure has returned to normal. With a lead length of 55 inches, the 86H31 offers flexibility during installation, and its 120 VAC 375VA pilot duty contact rating ensures compatibility with most Lennox equipment. By safeguarding your system from excessive pressure buildups, the 86H31 High Pressure Switch contributes to reliable and secure operation of your HVAC unit.