Lennox 45F08 Switch 320735-701 Enhanced Diagnostics: Integrated circuitry assists

Enhanced Diagnostics: Integrated circuitry assists in maintaining proper communication between the thermostat and firing controls

Safety Optimized: Critical for the flame-sensing circuit to prevent delayed ignition and equipment lockout

Its robust construction ensures reliable burner sequencing even in high-cycle residential applications

Key Benefits Direct Fit Compatibility: Specifically engineered for the Honeywell TP970 Series

Flame Supervision: Features dedicated flame current test pins for accurate microamp readings (minimum 0

Lennox 45F08 Switch 320735-701 Enhanced Diagnostics: Integrated circuitry assistsThe 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