Nordyne 669647 Retainer 326058-758 it requires 24V power to

it requires 24V power to lift the plunger and allow refrigerant flow

Standard best practice for any expansion valve installation involves replacing the liquid line filter drier to prevent debris or moisture from fouling the new valve's internal seat

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Common Questions Can this valve be adjusted for higher altitudes

preventing air leaks that can compromise SEER/EER ratings

Nordyne 669647 Retainer 326058-758 it requires 24V power toThe Nordyne 669647 Retainer is a critical mechanical fastener designed specifically for securing the CMF 80 filter within Miller and Intertherm gas and oil furnaces. This heavy duty filter retainer ensures the media remains seated flush against the HVAC blower assembly, preventing air bypassa common cause of heat exchanger fouling and reduced airflow efficiency. Constructed from durable, corrosion resistant spring steel, the 669647 maintains constant