Nordyne 669073R Filter As an OEM replacement belt

As an OEM replacement belt for York

or rigid piping

undersized ductwork

The ST-3 is designed for legacy System Sensor units

The "/U" suffix simply denotes a "Universal" TRADELINE version packaged for easier stocking and replacement in the field

Nordyne 669073R Filter As an OEM replacement beltThe Nordyne 669073R Filter is an OEM replacement HVAC filter engineered for precise fitment in specific Nordyne, Intertherm, and Miller gas furnaces and electric heat pump systems. Measuring 26. 5" x 16. 188", this specialized media is the direct superseding replacement for 669073, ensuring proper static pressure and airflow delivery across the evaporator coil. In the field, technicians recognize this as a critical component for maintaining system