A Whalen Company PDXEXPBAEB1 Thermal Expansion Valve/TXV Kit regulates refrigerant flow in response to load conditions to maintain steady cooling performance.
The thermal expansion valve/TXV kit regulates refrigerant flow into the evaporator so the HVAC system can maintain proper pressure, temperature and cooling performance. Its R22 compatibility, 2 ton sizing and 3/8" x 1/2" ODF connections matter because they ensure correct metering, reliable fitment and stable operation within the heating and cooling unit.
The thermal expansion valve/TXV kit might need replacement if the system shows poor cooling, inconsistent coil performance, abnormal suction pressure or reduced efficiency during operation. You might notice frost buildup, refrigerant leaks around the connections or other physical signs such as corrosion and environmental wear that can indicate the part is no longer controlling refrigerant flow correctly.
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