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Designed specifically for R404A and R507 refrigerants
Common Questions Which thermostat models are compatible with this sensor
This is an evaporator coil and header kit
System Reliability: Restores dependable flame sensing to prevent safety shutdowns and equipment downtime
This versatile module meets CSD1 requirements
Nordyne 669684R TXV 323080-701 Designed specifically for R404A andAs a technician, you know that maintaining precise superheat is non negotiable for system longevity, and the Nordyne 669684R TXV is the specified OEM component for 4 ton R410A evaporator coils. This thermostatic expansion valve (TR6 series) is engineered to replace older Danfoss or Nortek models, providing the accurate refrigerant metering required to prevent liquid slugging and ensure optimal heat transfer across the A coil. Whether you are servicing