Description
This is a genuine OEM replacement final burner assembly from Lochinvar & A.O. Smith, designed to restore proper combustion performance in compatible water heaters and boilers. Engineered to exact factory specifications, this 16″ natural gas burner assembly ensures consistent flame distribution and efficient fuel combustion for dependable heating system operation.
Product Overview
The 100210042 is a natural gas (NAT) final burner assembly, position #34, intended for use in Lochinvar and A.O. Smith heating equipment. As the final burner in the assembly sequence, it plays a critical role in the overall combustion process, delivering precise and uniform heat output. Using a genuine OEM part ensures compatibility, safety, and longevity.
Key Features
- Genuine OEM replacement part from Lochinvar & A.O. Smith
- Natural gas (NAT) configuration
- 16″ burner assembly length for exact fit
- Final burner position #34 in the burner assembly sequence
- Engineered for precise flame distribution and efficient combustion
- Designed for direct drop-in replacement — no modifications required
- Maintains original equipment performance and safety standards
Application
- Compatible with select Lochinvar and A.O. Smith water heaters and boilers
- Suitable for natural gas-fired heating systems
- Ideal for service technicians performing burner replacements or combustion system repairs
Specifications
- SKU: 100210042
- Fuel Type: Natural Gas (NAT)
- Burner Length: 16″
- Position: Final Burner Assembly #34
- Brand: Lochinvar & A.O. Smith







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