43J57 | Lennox Combustion Air Blower Motor 115V 60Hz 3200 RPM Furnace HVAC Replacement

Description 

The Lennox 43J57 is a combustion air blower motor designed to supply controlled airflow for furnace combustion systems. Operating at 115 volts and 60 Hz, this motor delivers reliable performance at 3200 RPM, ensuring efficient air movement required for proper burner operation. It is commonly used in Lennox heating equipment to support stable ignition and combustion processes in residential and light commercial HVAC systems.

Technical Specifications 

Information About 43J57

The 43J57 is a combustion air blower motor manufactured by Lennox for use in gas furnace systems that require precise airflow for burner operation. This motor is engineered to drive combustion blowers that supply oxygen to the burner chamber while maintaining consistent airflow during ignition and heating cycles. Built for compatibility with select Lennox furnace models, it supports efficient combustion and helps maintain proper furnace performance and safety. Its durable motor construction and standardized electrical configuration allow dependable operation within residential HVAC environments.

Key Features:

• Combustion Air Blower Motor: Designed to power combustion air blowers that supply air to furnace burners.
• 115V Operating Voltage: Compatible with standard residential electrical systems used in HVAC equipment.
• 60 Hz Frequency Rating: Supports North American power standards for consistent motor performance.
• High-Speed Operation: Delivers approximately 3200 RPM for effective airflow generation in combustion systems.
• HVAC Furnace Compatibility: Engineered for integration with select Lennox furnace models requiring combustion air assistance.
• Durable Motor Construction: Built to withstand the thermal and operational demands of heating equipment.
• Stable Airflow Delivery: Provides consistent blower performance to maintain efficient combustion conditions.

The 43J57 delivers the reliability and precision required for dependable combustion airflow control in residential furnace systems.

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