Ao Smith 100262939 Gas Valve Kit 2 in Natural Gas

Product Description

The AO SMITH 100262939 is an OEM natural gas control valve service kit designed for select A. O. Smith residential water heaters. It regulates gas flow to the burner assembly and controls water temperature through the integrated thermostat valve. This is a direct factory replacement part, supplied to restore original function when a gas control valve fails or is damaged. The kit is rated for natural gas (NG) service and fits a 2-inch valve configuration. Installation is performed by a licensed plumber or gas service technician following the appliance service manual.

This valve kit is intended for residential water heater applications where gas heat is the energy source. It is used in heating system repairs where the existing gas control valve has failed, is leaking, or is producing fault codes. Compatible units are those that list part number 100262939 in their official A. O. Smith parts documentation. The kit covers the CAV HW N3 configuration in the A. O. Smith product line.

Key Features

• OEM factory replacement gas valve service kit
• Designed for natural gas (NG) fuel systems
• 2-inch valve size for correct fitment
• Regulates gas flow and water temperature in residential water heaters
• CAV HW N3 configuration matches specific A. O. Smith model requirements

Compatibility

Designed as an OEM-style replacement for A. O. Smith residential natural gas water heater models that specify part number 100262939 in their official parts list.

Installation Notes

Gas valve replacement must be performed by a licensed plumber or qualified gas service technician in compliance with applicable local codes and IFGC requirements. Shut off the gas supply and allow the water heater to cool before beginning any service work. After installation, perform a leak test on all gas connections before restoring gas flow, and set the thermostat to the recommended temperature per the appliance service manual. Confirm normal burner ignition and operation before returning the unit to service.

Technical Specifications

• Fuel Type: Natural Gas (NG)
• Valve Size: 2 inches
• Application: Heating (residential water heater)
• Configuration: CAV HW N3

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100262939