Its 1 5/8-inch shank length and integrated single-use high-limit switch at 200°F provide the exact technical specs required for maintaining system integrity and preventing hazardous overheating conditions in gas-fired domestic water heaters

Thermal Protection: Inherently manages current flow based on temperature to protect against electrical strain during frequent cycling

The integrated gasket guarantees a proper

utilizing standard 3-wire leads for straightforward integration into existing rooftop units (RTU)

the switch breaks the electrical circuit

Carrier HK38EA023 Circuit Board 322838-752 Its 1 5/8-inch shank lengthThe Carrier HK38EA023 is a genuine OEM defrost control board designed for high performance Carrier, Bryant, and Payne heat pump systems. As a direct replacement for the obsolete HK38EA015, HK38EA010, and HK38EA008 models, this board provides the necessary logic to manage defrost cycle termination and outdoor fan operation. In cold weather conditions, the Carrier HK38EA023 monitors the outdoor coil temperature via the liquid line thermistor to prevent