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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
High Temperature Rating: The Class F insulation allows for reliable performance in demanding high-heat HVAC applications
This switch monitors the differential between two pressure sources
Carrier HH18HA502 Limit Switch Freon protecting internal electronics from moistureThe 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,
