The Sporlan Controls 164371 Thermostatic Expansion Valve is a precision refrigerant metering component designed for compatible HVAC and refrigeration systems. It regulates refrigerant flow into the evaporator based on superheat conditions, helping maintain proper refrigerant levels for efficient heat transfer. This valve is commonly used in air conditioners, heat pumps, refrigeration ... https://www.partshnc.com/sporlan-controls-164371-thermostatic-expansion-valve