Description
The Lennox 57M85 is a combustion air blower assembly designed to supply controlled airflow for proper burner operation in HVAC heating systems. It operates at 115 volts with a 1/20 HP motor, delivering consistent air movement for combustion processes. This unit ensures stable ignition and efficient furnace performance in residential and light commercial applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Lennox |
| Category |
HVAC |
| Part Number |
57M85 |
| Subcategory |
HVAC Accessory & Rebuild Kit & Seal Kit |
| Product Type |
Combustion Air Blower Assembly |
| Motor Power |
1/20 HP |
| Voltage |
115 VAC |
| Frequency |
60 Hz |
| Current Draw |
0.8 A |
| Speed |
3300 RPM |
| Application |
Furnace combustion air supply |
| Installation Type |
Internal HVAC system mount |
| System Compatibility |
Lennox furnace systems |
| Weight |
7.00 lbs |
Information About 57M85
The 57M85 is a factory-designed combustion air blower assembly used in Lennox heating equipment to support proper air delivery for combustion systems. It is built with a compact motor and fan assembly engineered for reliable airflow under continuous heating operation. The blower operates at a fixed speed to maintain consistent combustion conditions, helping ensure safe and efficient burner performance. Designed for compatibility with specific Lennox furnace models, it serves as a direct replacement component for maintaining system functionality.
Key Features:
- Combustion Air Function: Provides controlled airflow required for proper burner operation.
- 1/20 HP Motor: Delivers sufficient power for steady and reliable air movement.
- 115V Operation: Compatible with standard residential HVAC electrical systems.
- Fixed Speed Performance: Operates at approximately 3300 RPM for consistent airflow output.
- Integrated Assembly Design: Combines motor and blower for simplified installation and replacement.
- Furnace Compatibility: Designed for use in Lennox heating systems.
- Durable Construction: Built for continuous-duty operation in heating environments.
The 57M85 delivers the reliability and precision required for consistent combustion air supply in HVAC furnace systems.
