Description
The Lennox 12K48 is a genuine OEM LP (liquid propane) burner orifice designed as a direct replacement for compatible Lennox furnace models. Burner orifices are precision-engineered components that regulate the flow of LP gas into the burner assembly, ensuring the correct air-to-fuel mixture for safe, efficient, and consistent ignition and combustion.
Key Features
- Genuine Lennox OEM replacement part (SKU: 12K48)
- Designed for liquid propane (LP) fuel systems
- Precision-drilled orifice for accurate gas metering and optimal combustion
- Ensures proper air-to-fuel ratio for safe and efficient burner operation
- Direct drop-in replacement for compatible Lennox furnace models
- Manufactured to Lennox OEM specifications for reliable, long-lasting performance
Application
This LP burner orifice is intended for use in Lennox furnaces that have been configured or converted for liquid propane operation. It is a critical component in maintaining proper combustion efficiency and should be replaced whenever the orifice shows signs of wear, blockage, or damage. Always verify compatibility with your specific Lennox furnace model before installation.
Installation Notes
- For use with LP (liquid propane) gas only
- Verify model compatibility using the Lennox parts catalog or your unit’s service manual
- Installation should be performed by a qualified HVAC technician in accordance with local codes and manufacturer guidelines







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