Nordyne 664275R TXV 318973-401 heat pump signals

heat pump signals

maintaining factory-specified tolerances

Unlike standard probe controls that can be triggered by momentary surging or priming

making it compatible with most modern HVAC control circuits

It is frequently found in Heil

Nordyne 664275R TXV 318973-401 heat pump signalsThe Nordyne 664275R TXV is a critical N Series thermal expansion valve engineered specifically for 5 ton packaged units. Designed for R410A refrigerant, this OEM component provides precise metering to maintain the correct superheat across the evaporator coil, preventing liquid slugging and ensuring compressor longevity. As a direct Nordyne replacement part, it eliminates the compatibility issues often found with universal aftermarket valves,