Threaded Interface: Standard 1 1/2" NPT ports allow for straightforward integration into existing rigid piping schedules

Engineered for high-demand duty cycles

Optimized for single-stage gas furnaces

it efficiently handles pressures ranging from 5 to 300 PSI

or obstructed ductwork causing the plenum to exceed 160°F

Lennox 45F08 Switch 322838-752 Threaded Interface: Standard 1 1/2"The Lennox 45F08 Low Ambient Cutoff Switch is a critical SPST (Single Pole Single Throw) safety component engineered for HVACR systems utilizing high pressure refrigerants like R 410A. Designed to prevent compressor operation during low outdoor temperatures, this ambient temperature control switch opens on a temperature fall at 45F and automatically resets on a rise at 55F. This specific Lennox condenser switch ensures the system remains within safe