Lennox 86H31 Pressure Switch Els PW 17895 When should I replace my

When should I replace my furnace limit switch

and electrical characteristics

Certified Reliability: UL and CSA listed to ensure compliance with stringent safety and industrial standards

allowing for rebuilds or replacements without breaking into the piping system

6-square-inch blue backlit display and a front-load battery compartment

Lennox 86H31 Pressure Switch Els PW 17895 When should I replace myThe 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