Ao Smith 100224099 Ignitor Rod Kit Water Heater

Product Description

The AO SMITH 100224099 is a replacement ignitor rod kit designed for use in natural gas water heaters. The ignitor rod serves as the spark electrode that initiates combustion at the burner assembly, making it a critical component in the ignition system. When a faulty or worn ignitor rod causes ignition failure or nuisance lockouts, this OEM-style replacement restores reliable burner startup. Licensed plumbers and water heater service technicians install this part during routine maintenance or fault diagnosis on applicable AO SMITH tankless units.

This ignitor rod kit is intended for residential natural gas tankless water heater applications. It is a direct service replacement for units experiencing hard-start conditions, ignition faults, or failed spark electrode assemblies. The kit format includes the components needed to complete the rod replacement without sourcing additional hardware separately.

Key Features

• OEM-style replacement ignitor rod for natural gas tankless water heaters
• Kit format includes necessary components for complete replacement
• Designed to restore reliable burner ignition on compatible AO SMITH units
• Direct fit for the applicable TK-series natural gas models

Compatibility

Compatible with the following AO SMITH natural gas tankless water heater models: TK-310C-NI (NG), TK-510C-NI (NG), and TK-110C-NI (NG).

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater service technician. Before beginning work, shut off the gas supply and disconnect electrical power to the unit. Handle the ignitor rod carefully to avoid cracking the ceramic insulator, as physical damage will cause immediate ignition failure. Work should conform to applicable local codes and the manufacturer service documentation for the specific model being serviced.

Technical Specifications

• Application: Replacement Part
• Fuel Type: Natural Gas

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100224099