Description
Lochinvar & A.O. Smith Ultra Lo NOx Burner Assembly — 16″ (Part # 100346612)
The Lochinvar & A.O. Smith 100346612 is a factory-specified Ultra Lo NOx Burner Assembly designed as a direct OEM replacement for compatible Lochinvar and A.O. Smith water heating and boiler equipment. Engineered to maintain low nitrogen oxide emissions while delivering consistent, reliable combustion performance, this 16″ burner assembly helps ensure your system operates within environmental compliance standards and at peak efficiency.
Key Features
- OEM replacement burner assembly for Lochinvar and A.O. Smith equipment
- Ultra Low NOx design supports compliance with stringent emissions regulations
- 16″ assembly size for precise fit and drop-in replacement
- Engineered for consistent, stable combustion and reliable ignition
- Helps maintain original equipment efficiency and performance ratings
- Durable construction built to withstand demanding commercial and residential heating applications
Application
This burner assembly is intended for use in Lochinvar and A.O. Smith water heaters and boilers that require an Ultra Lo NOx burner replacement. Always verify compatibility with your specific model number before installation. Consult the equipment’s service manual or contact a qualified HVAC/plumbing technician for proper installation guidance.
Why Choose OEM Parts?
Using genuine OEM replacement parts like the 100346612 ensures your Lochinvar or A.O. Smith unit maintains its factory-rated performance, warranty compliance, and safety certifications. Aftermarket substitutes may compromise combustion efficiency and emissions compliance.







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