Armstrong Fluid Technology 816304-321 Plastic Impeller 328140-751 The Nordyne 664349R TXV is

The Nordyne 664349R TXV is a critical OEM replacement part engineered for high-performance R410A refrigerant systems

For service technicians managing a wide range of calls

This kit serves as the direct technical successor to the legacy 023-0104-01 part number

Its robust construction ensures precise alignment of the furnace electrode kit relative to the atomized fuel spray

Integrating this OEM HVAC display kit ensures that system alarms

Armstrong Fluid Technology 816304-321 Plastic Impeller 328140-751 The Nordyne 664349R TXV isThe Armstrong Fluid Technology 816304 321 Plastic Impeller is a precision engineered circulator pump replacement designed to maintain peak hydraulic performance in your heating and cooling systems. This 4 3 4 Plastic Impeller NFI is constructed from high grade, corrosion resistant Noryl material, ensuring optimal pump efficiency and long term durability in demanding HVAC environments. As a critical component for fluid flow systems, this lightweight