With an outer diameter of 3 5/8" and an inner diameter of 2 3/4"

or Copper-Fin model

It is not compatible with standard residential furnaces or universal draft inducer kits

The S1-025-41076-000 features factory-terminated connectors designed to withstand the thermal cycling and vibration common in high-static HVAC environments

Direct OEM Compatibility: Engineered as a drop-in replacement for the Berko 3900 series

Nidec-US Motors 4941 Motor 323269-701 With an outer diameter ofThe Nidec US Motors 4941 is a commercial grade 1 2 HP condenser fan motor designed for demanding HVACR applications requiring high voltage flexibility. Operating at a nominal 1100 RPM, this totally enclosed air over (TEAO) motor is built to handle outdoor environments where exposure to dust and moisture is a concern. It features a multi voltage design, supporting 208 230 460V configurations, making it a versatile three phase motor for HVAC replacement