Lennox 86H31 Pressure Switch Els PW 17895 How do I know if

How do I know if my furnace limit switch is failing

Multi-Use Versatility: Dual-certified for both HVACR and potable water systems under NSF 61G

ensuring the internal trim remains aligned under high-pressure conditions

Common Questions: Is the Lennox 78H55 a direct replacement for the 78H5501

Lennox 86H31 Pressure Switch Els PW 17895 How do I know ifThe Lennox 86H31 is a high performance HVAC high pressure switch engineered as a critical safety component for R 410A refrigeration and air conditioning systems. This OEM Lennox replacement part, also identified by part number 86H3101, is designed to monitor high side refrigerant levels and provide reliable system protection. When head pressure exceeds the factory set 410 PSI limit, the switch actuates to shut down the compressor, preventing