Emerson Flow Control (Alco) 049638 Thermal Expansion Valve 3/8"-1/2" ODF 30-Capillary AAE4HCA

The Emerson Flow Control (Alco) 049638 Thermal Expansion Valve is an essential part of the HVAC system, controlling and metering the amount of refrigerant allowed into the evaporator. This 3/8” X 1/2” ODF connection valve provides the necessary cooling and heating in air conditioners, heat pumps, and refrigeration equipment. Advantages include increased energy effectiveness, accurate temperature regulation, protection of the compressor from damage due to inadequate refrigerant vaporization, and general system efficiency.