Ao Smith 100210014 Ng Final Burner Assembly Kit 18 Inches

Product Description

The AO SMITH 100210014 is an 18-inch natural gas final burner assembly kit designed for residential and light commercial water heater heating systems. This kit includes the final burner assembly with a 34 orifice, delivering precise fuel metering for consistent ignition and combustion performance. It is intended as a direct replacement component for qualified gas appliance technicians performing burner section service or restoration. The assembly provides the downstream burner stage in a natural gas burner train, where accurate orifice sizing is critical to safe and efficient operation.

This burner assembly kit is suited for natural gas heating applications requiring an 18-inch burner configuration. It is typically installed during burner replacement or system rehabilitation on water heaters and similar gas-fired heating appliances. Technicians select this kit when the existing final burner shows signs of corrosion, orifice blockage, or physical damage that cannot be cleaned and restored to factory specification.

Key Features

• 18-inch natural gas final burner assembly for direct replacement service
• 34 orifice included for calibrated natural gas flow metering
• Designed for natural gas (NG) heating applications
• OEM-sourced kit format includes all components needed for burner section replacement

Compatibility

Designed as an OEM-style replacement natural gas final burner assembly for gas-fired water heaters and heating appliances requiring an 18-inch burner configuration with a 34 orifice.

Installation Notes

Installation should be performed by a licensed gas appliance technician or plumber in accordance with local codes and IFGC requirements. Shut off the gas supply and allow the appliance to cool fully before beginning any burner section disassembly. Verify the replacement orifice size and burner length match the appliance rating plate specifications before installation. Never fire the burner without confirming all gas connections are leak-tested with an approved detection solution.

Technical Specifications

• Fuel Type: Natural Gas (NG)
• Burner Length: 18 inches
• Orifice Size: 34
• Application: Heating

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100210014