A.o. Smith 100109203 Natural Gas Burner Assembly

Product Description

The A.O. SMITH 100109203 is an OEM natural gas burner assembly designed for select A.O. Smith residential natural gas water heaters. The burner assembly delivers correct combustion performance by mixing gas and air in the proper ratio and directing the flame to heat the water storage tank. This is a direct replacement component, manufactured to original equipment specifications, and is installed by licensed plumbers or qualified water heater service technicians during burner replacement or combustion performance restoration procedures.

This burner assembly is suited for residential natural gas water heater applications where the original burner has failed or is operating outside of acceptable combustion performance parameters. It is intended as an OEM-style replacement part, restoring factory combustion characteristics to the water heater system. Technicians should verify the part number against the water heater rating plate or service documentation before installation.

Key Features

• OEM replacement burner assembly built to original equipment specifications
• Designed for natural gas (NG) fuel type
• Restores correct combustion performance in residential natural gas water heaters
• Direct-fit replacement reduces installation time and complexity

Compatibility

Designed as an OEM-style replacement burner assembly for select A.O. Smith residential natural gas water heaters. Verify fitment using the water heater model and serial number before ordering.

Installation Notes

Burner assembly replacement on natural gas water heaters should be performed by a licensed plumber or qualified gas appliance technician. Shut off the gas supply at the appliance shutoff valve and allow the unit to cool completely before beginning disassembly. Work must comply with local gas codes and applicable provisions of the International Fuel Gas Code (IFGC). Confirm all gas connections are leak-free using an approved leak detection solution before restoring gas supply and relighting the appliance.

Technical Specifications

• Application: Replacement Part
• Fuel Type: Natural Gas (NG)

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100109203