Description
The Lennox 45L15 is a factory-specified natural gas burner orifice engineered to deliver precise fuel metering in compatible Lennox heating systems. Machined to a .089 drill size, this orifice controls the flow of natural gas into the burner assembly, ensuring consistent flame quality, efficient combustion, and reliable ignition cycle after cycle.
Product Overview
As a genuine OEM replacement part, the Lennox 45L15 is designed to restore your furnace or heating appliance to factory performance specifications. Proper orifice sizing is critical to safe and efficient burner operation — an incorrectly sized orifice can result in poor combustion, sooting, or unsafe flame characteristics. The 45L15 takes the guesswork out of replacement by providing an exact-fit solution for the systems it was designed to serve.
Key Features
- Genuine Lennox OEM replacement burner orifice
- .089 drill size for precise natural gas flow metering
- Engineered for consistent flame quality and efficient combustion
- Exact-fit replacement to restore factory performance
- Compatible with applicable Lennox natural gas heating systems
- Durable construction for long-term reliability
Application
The Lennox 45L15 is intended for use as a direct replacement burner orifice in Lennox natural gas furnaces and heating appliances that specify the .089 drill size. Always verify compatibility with your specific equipment model before installation. Consult the equipment service manual or contact your Lennox distributor to confirm the correct orifice specification for your application.
Installation Notes
- Intended for natural gas applications only — do not use with LP/propane without proper conversion
- Installation should be performed by a qualified HVAC technician
- Verify gas supply pressure and manifold pressure per equipment specifications after installation
- Refer to the original equipment service documentation for torque and sealing requirements
