This part is the housing itself

Its laminated magnet construction ensures high-efficiency performance and reduced vibration

including up to 60% glycol

Corrosion Protection: Acts as a barrier against oxidation and environmental contaminants

It comes equipped with a 3/8" x 1/2" SAE flare connection and an externally equalized 1/4" SAE flare

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