Carrier HH18HA502 Limit Switch Freon 6-Inch Insertion Depth: Extends deep

6-Inch Insertion Depth: Extends deep into the furnace or unit cabinet to capture accurate air temperature readings

protecting internal electronics from moisture and vibration

It utilizes a top-entry capillary tube configuration and a standard M10 thread connection for secure seating on the valve body

this 760-56 electrode delivers the consistent conductivity required for modern HVAC flame rectification circuits

Carrier HH18HA502 Limit Switch Freon 6-Inch Insertion Depth: Extends deepThe Carrier HH18HA502 Limit Switch is a critical OEM high limit safety device designed for furnace temperature regulation in residential heating systems. Operating with a 140 180F temperature range, this component monitors the internal heat exchanger environment to prevent catastrophic failure and ensure safe operation. As an auto reset hi limit switch, it automatically restores the circuit once temperatures drop below the specified threshold,