Nordyne 669684R TXV 318820-201 and HCG control boards and

and HCG control boards and wiring harnesses

It is commonly found on larger residential and mid-sized commercial units such as the CGa-5/6 and PEG-40/45 series

This blower motor powers the fans that distribute heat throughout the furnace structure by forcing air through the vents

Always verify supply voltage before installation

Nordyne 669684R TXV 318820-201 and HCG control boards 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