Ao Smith 100110857 Natural Gas Valve Kit

Product Description

The AO SMITH 100110857 is a natural gas valve kit designed as a direct replacement control valve for water heater applications. This kit controls the flow of natural gas to the burner assembly, regulating ignition and maintaining proper combustion within the system. Licensed plumbers and HVAC technicians typically handle installation and replacement of this component. The kit format provides the necessary hardware for a complete and code-compliant valve swap in the field.

This gas valve kit is intended for use in natural gas-fired water heater systems requiring a replacement control valve. It is suited for residential and light commercial applications where the original valve has failed or is no longer functioning within spec. Installation typically occurs during a service call when the unit exhibits issues such as failure to ignite, inconsistent water temperature, or gas valve fault codes.

Key Features

• Natural gas fuel type for compatibility with NG supply lines
• Functions as a control valve regulating gas flow to the burner
• Designed as an OEM-style replacement part for serviceability
• Kit format includes components needed for complete valve replacement

Compatibility

Designed as an OEM-style replacement control valve for AO SMITH natural gas water heaters requiring part number 100110857.

Installation Notes

Installation should be performed by a licensed plumber or qualified HVAC technician in accordance with local codes and the appliance manufacturer guidelines. Shut off the gas supply at the upstream shutoff valve and allow the system to depressurize before removing the existing valve. Verify that all gas connections are leak-tested with an approved solution after installation before returning the unit to service. Do not restore gas flow or relight the pilot until all connections have been confirmed leak-free.

Technical Specifications

• Fuel Type: Natural Gas
• Type: Control Valve
• Application: Replacement Part

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100110857