103032-03 | Lennox ECM Variable-Speed Blower Motor with Control Board

Lennox · Motors & Motion

Description  The Lennox 103032-03 ECM Blower Motor & Control Board is an integrated airflow drive assembly designed for precise speed control in HVAC systems. Identified by part number 103032-03, this unit combines an ECM blower motor with a matched control module to regulate airflow efficiently and reliably. It is used in compatible Lennox furnaces and air handlers requiring electronically commutated motor technology.     Technical Specifications  Condition New/Never Used Surplus Brand Lennox Category HVAC Motors Part Number 103032-03 Subcategory ECM Blower Motors Motor Type ECM Blower Motor with Control Board Motor Control Variable Speed Input Voltage 120 / 240 VAC Phase Single Phase Frequency 50 / 60 Hz Duty Rating Continuous Application Furnace and Air Handler Blower Systems Electronics Integrated ECM Control Module Mounting Type Blower Assembly Mount Cooling Method Air Cooled Operating Environment Indoor HVAC Equipment Weight Approx. 19 lb     Information About 103032-03 The 103032-03 is part of Lennox’s ECM motor assemblies engineered for advanced residential HVAC equipment. This assembly integrates the motor and control board to deliver variable-speed operation based on system demand and control inputs. It is designed to improve energy efficiency, reduce electrical noise, and provide smooth airflow transitions during heating and cooling cycles. The unit is intended for direct replacement in compatible Lennox systems using factory ECM blower platforms. Key Features: Integrated ECM Assembly: Combines blower motor and control board into a single matched unit. Electronically Commutated Motor: Provides precise variable-speed airflow control. Energy-Efficient Operation: Reduces power consumption compared to conventional PSC motors. Adaptive Airflow Control: Adjusts motor speed automatically based on system requirements. Blower Application Design: Optimized for furnace and air handler air circulation. Smooth Startup and Ramp Control: Minimizes mechanical stress and electrical inrush. Low Noise Performance: Variable-speed operation supports quieter HVAC operation. Continuous Duty Rating: Designed for extended run times in residential systems. OEM Replacement Compatibility: Matches Lennox specifications for fit and electrical interface. Integrated Motor Electronics: Ensures accurate signal processing and speed regulation. The 103032-03 delivers the reliability and precision required for variable-speed HVAC blower motor and control applications.

Brand: Lennox · Category: Motors & Motion

Key features

• Integrated ECM Assembly: Combines blower motor and control board into a single matched unit.
• Electronically Commutated Motor: Provides precise variable-speed airflow control.
• Energy-Efficient Operation: Reduces power consumption compared to conventional PSC motors.
• Adaptive Airflow Control: Adjusts motor speed automatically based on system requirements.
• Blower Application Design: Optimized for furnace and air handler air circulation.
• Smooth Startup and Ramp Control: Minimizes mechanical stress and electrical inrush.
• Low Noise Performance: Variable-speed operation supports quieter HVAC operation.
• Continuous Duty Rating: Designed for extended run times in residential systems.
• OEM Replacement Compatibility: Matches Lennox specifications for fit and electrical interface.
• Integrated Motor Electronics: Ensures accurate signal processing and speed regulation.

Specifications

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