Nordyne 664349R TXV 320788-704 High-Pressure Durability: Engineered with a

High-Pressure Durability: Engineered with a robust brass body and a 300 PSI static pressure rating to withstand demanding commercial HVAC environments

you know the McDonnell & Miller FS8-W Flow Switch is the industry standard for rugged

as well as Q313 thermopiles

modifying the circuit count will cause uneven refrigerant distribution and lead to poor heat transfer or potential compressor failure

Built with a durable copper sheath

Nordyne 664349R TXV 320788-704 High-Pressure Durability: Engineered with aThe Nordyne 664349R TXV is a critical OEM replacement part engineered for high performance R410A refrigerant systems. Specifically designed as a 3 ton thermal expansion valve, this component ensures precise metering and optimal superheat control, which is vital for maintaining the efficiency of residential and light commercial HVAC units. As the updated version for 664349, the 664349R provides seamless backward compatibility and enhanced mechanical