Lennox 25W92 LB-109751 Support Burner is a genuine high-quality replacement part designed for use with compatible Lennox gas furnaces and heating systems. This support burner assembly provides stable flame support and consistent ignition performance to help maintain efficient and reliable operation in residential heating applications.

This OEM support burner is engineered to the exact specifications required for proper fit and function, ensuring long-lasting durability and stable combustion. It supports the primary burner by promoting balanced flame distribution and reducing ignition strain on the main system, which can improve overall furnace performance and extend component life.

Key Features and Benefits:
• Original Lennox replacement part manufactured to strict quality standards for reliability and performance
• Support burner assembly designed to facilitate smooth and consistent ignition
• Helps maintain balanced flame characteristics for efficient heating operation
• Durable construction for long service life and dependable performance
• Ideal for furnace maintenance, repair, and part replacement

Applications and Compatibility:
This support burner (Lennox 25W92 / LB-109751) is compatible with select Lennox gas furnace models. It is commonly used during scheduled maintenance, part replacement needs, or when addressing burner ignition issues. Always verify compatibility with your specific model and consult technical specifications or a qualified HVAC technician if uncertain.

 

Installation Notes:

Proper installation of the support burner should follow manufacturer guidelines and safety practices. Turn off power and fuel supply before servicing. Installation should be performed by a qualified professional to ensure correct fitment and safe operation.

 

Technical Specifications:

• Manufacturer: Lennox
• Part Number: 25W92 / LB-109751
• Type: Support Burner
• Application: Gas furnace heating systems
• Quality: OEM Grade