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Built with a durable copper sheath
High-Pressure Durability: Engineered with a robust brass body and a 300 PSI static pressure rating to withstand demanding commercial HVAC environments
it is typically used as a limit or zone-specific sensor within a larger control strategy
Always check your specific unit's parts list to confirm
Nordyne 664349R TXV 320788-704 Built with a durable copperThe 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
