Using a spring with an incorrect color code will result in improper seat loading and an inability to reach the required set-point

Pre-Programmed Logic: Comes ready to install with factory-set profiles for optimal airflow and static pressure handling

Constructed from premium-grade corrosion-resistant stainless steel

Broad Compatibility: Seamlessly replaces Nortek part 626498 across various residential heating units

Engineered specifically for Reznor UDAP and UDAS models from 30

Nidec-US Motors 1690 Motor R-448A Using a spring with anThe Nidec US Motors 1690 Motor is a high performance 1 4 HP direct drive blower motor engineered for professional grade HVACR applications. Operating on 115Vac single phase power, this motor delivers a high speed 1625 RPM across 3 speeds, providing the airflow versatility required for precise system balancing. Built with a 48Y NEMA frame size and a standard 5. 6 inch diameter, the 1690 is a drop in replacement HVAC motor for various residential and