Nordyne 664275R TXV 318172-701 While the 20-inch diameter and

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

This white rodgers heat compound is stable across typical hydronic temperature ranges and will not dry out or migrate under high-heat conditions

Precise Modulation: The 11

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

Verification of the wiring schematic is necessary if you are attempting to substitute an older constant-torque or variable-speed motor

Nordyne 664275R TXV 318172-701 While the 20-inch diameter 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,