Ao Smith 100110389 Natural Gas Burner Assembly Kit

Product Description

The AO SMITH 100110389 is a final burner assembly kit designed for natural gas water heaters. It provides a complete burner assembly with 21 orifices, delivering consistent gas combustion performance for water heating applications. This kit includes the components needed to restore proper burner function in a natural gas water heater. It is typically installed by licensed plumbers or water heater service technicians performing burner replacement or combustion system restoration work.

This burner assembly kit is suited for natural gas water heater systems requiring a direct burner assembly replacement. It is intended for use in residential or light commercial water heater installations running on natural gas supply. Technicians performing annual service, troubleshooting combustion issues, or completing a full burner section rebuild will find this kit applicable to that scope of work.

Key Features

• Natural gas fuel type compatibility
• 21-orifice burner configuration for distributed flame pattern
• Final burner assembly kit format for complete component replacement
• Designed for water heater burner section service and restoration

Compatibility

Designed as an OEM-style replacement burner assembly kit for natural gas water heaters requiring a 21-orifice final burner assembly.

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater technician. Before beginning work, shut off the gas supply at the service valve and allow the unit to cool completely. Follow all applicable local gas codes and manufacturer service documentation when replacing burner assemblies. Verify gas supply pressure and connections for leaks after installation before returning the unit to service.

Technical Specifications

• Fuel Type: Natural Gas
• Orifice Count: 21

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110389