A.o. Smith 100093873 Gas Control Valve Kit Natural Gas

Product Description

The A.O. SMITH 100093873 is an OEM replacement natural gas control valve kit designed for compatible A.O. Smith water heaters. The control valve governs gas flow to the burner assembly and supports normal ignition sequencing and temperature regulation. This kit is specified where the original factory-installed valve requires replacement due to failure, wear, or malfunction. Licensed plumbers and HVAC technicians who service residential and light-commercial water heating equipment are the primary installers. It is a direct OEM-style replacement intended to restore proper gas flow control and thermostat function to the water heater.

This gas control valve kit is used on natural gas water heater installations where the original A.O. Smith control valve is specified as the correct replacement part. It is suited for residential and light-commercial applications where the water heater relies on a standing pilot or electronic ignition system governed by this valve. Install scenarios typically involve field replacement of a failed or non-functioning control valve as part of a service call or scheduled maintenance. Refer to the unit's service documentation to confirm this part number is the correct replacement for the specific water heater model being serviced.

Key Features

• OEM replacement part engineered to factory specifications for compatible A.O. Smith water heaters
• Natural gas fuel type — not for use on propane or liquid propane systems
• Controls gas flow to the burner and supports ignition and temperature regulation
• Kit format includes components needed for a complete control valve replacement
• Designed to restore original performance when installed as specified

Compatibility

Designed as an OEM-style replacement gas control valve kit for compatible A.O. Smith natural gas water heaters where part number 100093873 is specified.

Installation Notes

Installation should be performed by a licensed plumber or qualified gas appliance technician in accordance with local codes and the appliance manufacturer's service documentation. Shut off the gas supply and allow the system to depressurize fully before disconnecting the existing valve. Do not attempt installation while the water heater is energized or while gas supply remains active. Verify the replacement part number against the water heater's data label or service manual before proceeding.

Technical Specifications

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

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100093873