Ao Smith 100211941 Gas Valve 1/2 Inch Inlet

Product Description

The AO SMITH 100211941 is a 1/2 inch inlet gas valve designed for use in water heating systems. It controls the flow of gas to the burner assembly, allowing the system to regulate heat output and maintain safe operation. This valve is a direct-service component handled by licensed plumbers and HVAC technicians during routine service or full unit replacement. Its 1/2 inch inlet connection matches standard residential gas supply line sizing commonly found in water heater installations.

This gas valve is suited for residential water heater applications where a 1/2 inch gas inlet connection is required. It is typically installed during servicing of gas-fired storage water heaters when the existing valve has failed, is leaking, or is no longer operating correctly. Installation is performed by a licensed plumber or gas technician following local gas codes and manufacturer service procedures.

Key Features

• 1/2 inch inlet connection matches standard residential gas supply line sizing
• Controls gas flow to the burner for regulated heat output
• OEM part number 100211941 ensures direct fitment for supported AO SMITH units
• Designed for gas-fired water heater service and replacement applications

Compatibility

Designed as an OEM-style replacement gas valve for AO SMITH gas-fired water heaters requiring a 1/2 inch inlet gas valve.

Installation Notes

Installation must be performed by a licensed plumber or qualified gas technician in accordance with local gas codes and the applicable edition of the International Fuel Gas Code (IFGC). Shut off the gas supply and allow the system to cool completely before beginning any valve removal or replacement work. Use an approved thread sealant rated for gas service on all threaded connections, and pressure-test the line after installation to confirm there are no leaks before restoring gas flow.

Technical Specifications

• Product Type: Gas Valve
• Inlet Size: 1/2 inch

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100211941