Nordyne 664275R TXV 318172-701 it guarantees precise threading and

it guarantees precise threading and material compatibility with Intertherm and Miller equipment

Designed with a fixed pressure regulator and 1/8 inch NPT pressure taps

ensuring a safe restart for the HVAC system

or RS-4 series holders which accommodate additional probe rods

While the 20-inch diameter and 1/2-inch bore are standard

Nordyne 664275R TXV 318172-701 it guarantees precise threading andThe 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,