Enhanced Durability: Robust potting and component selection to handle the electrical loads of high-voltage spark ignition

Always check your furnace's parts manual and match the voltage and pressure specifications before installation

It is often listed in the venter and flue wrapper components of the technical manual

Engineered specifically for integration with Lennox Comfort Sense 5000 thermostats

Enhanced Safety: Positively interrupts power to the control board to prevent accidental startup during blower compartment service

Carrier HH18HV160 Limit Switch 319852-301 Enhanced Durability: Robust potting andThe Carrier HH18HV160 Limit Switch is a critical safety component engineered for precise thermal management in residential and commercial furnaces. This OEM Carrier replacement part functions as a high limit safety cut out, specifically calibrated to a 157 160F temperature range to prevent heat exchanger damage and hazardous overheating conditions. Utilizing a highly responsive bimetallic sensor, this auto reset limit switch automatically opens the