Lennox 18L53 – 619795-04 Inshot Burner Assembly (4) is a genuine OEM replacement burner assembly designed for reliable and efficient gas combustion in compatible Lennox heating equipment. This assembly includes four inshot burner tubes engineered to deliver consistent flame characteristics, proper air-to-gas mixing, and stable ignition performance.

Product overview:

This inshot burner assembly is used in select Lennox unit heaters and furnaces that require a four-burner configuration. It is manufactured to Lennox factory specifications to ensure correct fitment, safe operation, and long-term durability. Replacing worn or damaged burners with an OEM assembly helps restore proper combustion efficiency and reduces the risk of ignition or flame carryover issues.

 

Key features:

• Genuine Lennox OEM part
• Complete 4-burner inshot assembly
• Designed for natural gas applications (verify unit requirements)
• Precision-formed burner tubes for consistent flame pattern
• Helps maintain proper combustion and heat output
• Direct replacement for original factory-installed burner assembly

 

Common applications:

• Lennox unit heaters
• Lennox gas furnaces requiring a 4-tube inshot burner configuration

Specifications:

Part number: 18L53
Alternate / catalog number: 619795-04
Burner type: Inshot
Number of burners: 4
Manufacturer: Lennox
Fuel type: Natural gas (confirm with unit data plate)
OEM status: Genuine Lennox replacement part