this valve is CSA and UL listed for use with natural gas

reducing mineral calcification

When installing in a vertical orientation

this part ensures a secure

Nordyne 669464R Reversing Valve 30067439-890 this valve is CSA andThe Nordyne 669464R Reversing Valve is a critical 4 way pilot operated component engineered for heat pump applications requiring precise refrigerant flow reversal. As the direct OEM replacement for Nordyne 669464, this updated "R" version ensures full compatibility with residential and light commercial units from brands including Intertherm, Miller, and Frigidaire. Technicians will find this valve essential for restoring the shifting mechanism between