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it drops into existing mounting configurations without modification
smoothing out rapid pressure fluctuations that can cause "chatter" in pressure switches
covering most industrial refrigeration and heating needs
The assembly features a 1/2" NPT conduit connection with 18-inch flying leads
the 151888R is a common replacement part for various Nortek brands
Lennox 92L21 Pressure Switch it drops into existing mountingReplace 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