3/4 HP Direct Drive Blower Motor with EZ-FIT Condenser Fan.

U.S. Motors 3313 – EZ-FIT 3/4 HP Condenser Fan & Direct Drive Blower Motor, 1075 RPM, 4-Speed, 208–230V

The U.S. Motors 3313 EZ-FIT motor is a 3/4 horsepower, 4-speed, direct drive motor engineered for HVAC condenser fan and blower applications. Designed to streamline inventory and simplify installations, this unit supports replacement across a wide range of air handling systems and rooftop units. Its field-proven design enables reliable performance in both new installations and retrofit projects.

Constructed for continuous-duty cycles in ambient environments typical of residential and light commercial systems, this motor offers dependable airflow and temperature control without sacrificing energy efficiency. The 1075 RPM rating and 208–230V operating range make it suitable for single-phase applications requiring consistent CFM delivery across various system configurations.

Core Product Features

• ✅ Horsepower: 3/4 HP – Designed to support medium to high airflow demand in direct drive HVAC applications.
• ✅ RPM: 1075 – Ensures steady air movement with reduced noise and vibration levels.
• ✅ Speed Settings: 4 – Multi-speed motor supports flexible system integration and airflow tuning.
• ✅ Voltage: 208–230V – Operates on standard single-phase HVAC control circuits.
• ✅ Frame: Standard NEMA mounting for direct drive blower assemblies and condenser fan housings.

Technical Specifications

• Model Number: 3313
• Motor Type: Direct Drive
• Horsepower: 3/4 HP
• Voltage: 208–230V (Single Phase)
• Frequency: 60 Hz
• RPM: 1075
• Speeds: 4

Installation Considerations

This motor is supplied with standard lead connections and is compatible with most mounting brackets used in direct drive assemblies. Installation should be performed by a licensed HVAC technician to ensure correct airflow direction, proper capacitor matching, and compliance with NEC and local mechanical codes. For retrofit scenarios, confirm shaft orientation, rotation direction, and blower wheel compatibility before installation.

Field Applications

Designed for use in split systems, package units, air handlers, and condenser fans, this motor supports replacements in residential HVAC systems as well as light commercial systems. Its 4-speed configuration enables airflow tuning across multiple tonnage systems without requiring model-specific inventory stocking.

Performance Advantages

• ✅ Multi-Speed Flexibility – Eliminates the need for carrying multiple motors for different CFM requirements.
• ✅ Universal Mount Compatibility – Standard shaft size and frame dimensions fit a broad range of OEM assemblies.
• ✅ Continuous Duty Rated – Designed for operation in ventilated HVAC environments with consistent load profiles.
• ✅ Inventory Reduction – Consolidates replacement SKUs across multiple blower motor service calls.