Lennox 92L21 Pressure Switch Solid-State Reliability: With no moving

Solid-State Reliability: With no moving parts to wear out

covering most industrial refrigeration and heating needs

smoothing out rapid pressure fluctuations that can cause "chatter" in pressure switches

The assembly features a 1/2" NPT conduit connection with 18-inch flying leads

The S1-024-40872-000 is the current official successor to the 9371VO-BS-0026

Lennox 92L21 Pressure Switch Solid-State Reliability: With no movingReplace your faulty inducer safety circuit with the Lennox 92L21 Pressure Switch, a precise OEM furnace replacement part cataloged under Lennox R20293412. This single pole single throw (SPST N. O.) switch is factory calibrated to actuate at 1. 61" W. C., ensuring the draft inducer motor maintains the specific static pressure required for safe combustion and flue gas venting. Designed with dual 1 4" barb connections, this component provides a secure