Description
The Lochinvar & A.O. Smith 100187866 is a genuine OEM replacement burner assembly designed to restore proper combustion performance in compatible Lochinvar and A.O. Smith heating equipment. Using factory-original components ensures a precise fit and helps maintain the efficiency, safety, and reliability that these systems are engineered to deliver.
Product Overview
This burner assembly is a direct OEM replacement part sourced from Lochinvar & A.O. Smith, two of the most trusted names in commercial and residential water heating and boiler technology. Replacing a worn or failed burner assembly with a genuine part helps prevent combustion inefficiencies, nuisance shutdowns, and potential safety hazards.
Key Features
- Genuine OEM replacement burner assembly from Lochinvar & A.O. Smith
- Engineered for precise fit and function in compatible equipment
- Supports proper combustion performance and fuel efficiency
- Helps maintain original equipment safety and reliability standards
- Direct drop-in replacement to minimize installation time
Application
- Compatible with select Lochinvar and A.O. Smith water heaters and boilers
- Ideal for service technicians performing scheduled maintenance or emergency repairs
- Recommended when the original burner assembly shows signs of wear, corrosion, or combustion failure
Why Choose OEM Parts?
OEM burner assemblies are manufactured to the same specifications as the original components installed at the factory. Aftermarket substitutes may not meet the same tolerances, potentially affecting combustion quality, equipment longevity, and warranty compliance. Always verify compatibility with your specific model number before installation.







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