This part is the housing itself

Designed with a 3/4" NPT connection

This valve is designed for use in two-pipe hot water and two-pipe low-pressure steam systems

significantly extending the operational life of the induction system in high-demand mechanical rooms

ensuring optimal evaporator efficiency and compressor protection

Nordyne 664272R TXV 321142-301 This part is the housingThe Nordyne 664272R is a precision engineered R410A 2 Ton TXV designed for accurate refrigerant metering in split system heat pumps and air conditioning units. As a direct OEM replacement thermal expansion valve, it ensures optimal evaporator performance by maintaining a constant superheat across varying load conditions. This valve is critical for preventing liquid slugging and protecting the compressor from damage during low load operation. Designed