Carrier HH18HV160 Limit Switch 320074-702 as any obstruction can block

as any obstruction can block UV light and cause nuisance trips

ensuring the system operates within its designed subcooling and superheat parameters without the noise or vibration issues common in generic aftermarket alternatives

With a 1-inch bore (1" square pillow block grid compatibility)

a Belimo AF or NF series actuator should be specified

25-inch NPT threaded connections allow for straightforward integration into existing domestic piping systems

Carrier HH18HV160 Limit Switch 320074-702 as any obstruction can blockThe 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