Carrier HK50AA039 Board 326058-758 protecting the thermal expansion valve

protecting the thermal expansion valve from contaminants and preventing ice formation in the orifice

Common Questions What is the correct rotation for the 1097529 blower wheel

the integrity of this component is vital for maintaining the necessary negative pressure required to purge the heat exchanger and prove the pressure switch circuit

This HVAC blower wheel replacement provides the exact geometry needed for high-efficiency heat exchange and consistent airflow across the evaporator or heat exchanger

and sensor arrays

Carrier HK50AA039 Board 326058-758 protecting the thermal expansion valveThe Carrier HK50AA039 Premier Leak Board serves as a critical diagnostic and protection component within Carrier rooftop units and high capacity HVAC systems. This circuit board functions as a leak detection board, specifically engineered to interface with HVAC pressure sensors and monitor the refrigeration circuit for potential refrigerant loss or sensor failure. By providing proactive monitoring, the HK50AA039 control board helps prevent compressor