Ao Smith 100187927 Final Burner Assembly Kit Natural Gas

Product Description

The AO SMITH 100187927 is a final burner assembly kit designed for natural gas water heaters. This kit provides the combustion components needed to restore proper burner function at the base of the heat exchanger stack. It includes a 20-inch burner assembly sized for full-height residential or light commercial tank configurations and uses a 34 orifice for metered gas flow at the correct rate for natural gas operation. Installation is performed by licensed plumbers or gas appliance technicians during routine service or component failure replacement.

This burner assembly kit is intended for natural gas-fired storage water heaters requiring a 20-inch final burner section with a 34 orifice. It is a direct-replacement service kit suited to tank water heater systems where the burner assembly has degraded, corroded, or failed to sustain proper flame. Typical install scenarios include warranty service, post-inspection repair, and scheduled combustion system restoration on residential or light commercial units.

Key Features

• Natural gas configuration with 34 orifice for controlled fuel metering
• 20-inch burner length fits full-height tank water heater applications
• Complete assembly kit format simplifies field replacement
• OEM-style design supports accurate flame pattern and heat transfer

Compatibility

Designed as an OEM-style replacement final burner assembly for AO SMITH natural gas storage water heaters requiring a 20-inch burner section with a 34 orifice. Verify model compatibility using the unit data plate before ordering.

Installation Notes

Installation of this burner assembly kit should be performed by a licensed plumber or qualified gas appliance technician. Shut off the gas supply and allow the unit to cool completely before beginning disassembly. Work should conform to local codes and IFGC requirements governing gas appliance service. Do not restore gas supply until all connections have been inspected for leaks using an approved leak-detection method.

Technical Specifications

• Fuel Type: Natural Gas
• Burner Length: 20 inches
• Orifice Size: 34

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100187927