Nordyne 669578R TXV 321702-401 and KD Series steam traps

and KD Series steam traps and liquid drainers

Engineered for reliability in extreme conditions

technicians should always inspect and replace the mounting gaskets if they show signs of wear or compression set

Utilizing a Type C thermostatic charge

Because this involves high-voltage electrical connections and integration into the air handler

Nordyne 669578R TXV 321702-401 and KD Series steam trapsThe Nordyne 669578R is a high performance 5 Ton R410A TXV designed to provide precise refrigerant metering for residential and light commercial air conditioning systems. Engineered for N Series evaporator coils, this TR6 Thermal Expansion Valve maintains optimal superheat across varying load conditions, preventing compressor liquid slugging while maximizing evaporator coil efficiency. As an OEM Nordyne replacement part, it ensures seamless