A.o. Smith 100074610 Igniter Rod Kit Water Heater

Product Description

The A.O. SMITH 100074610 is an igniter rod kit designed for natural gas water heaters. The igniter rod initiates combustion by generating the spark or glowing element needed to light the burner assembly. This kit provides the hardware necessary for a complete igniter replacement, restoring reliable ignition in systems where the original component has failed or degraded. It is installed by licensed plumbers or qualified water heater service technicians during routine maintenance or burner system repair.

This igniter rod kit is used in natural gas water heater applications, both indoor and outdoor installations depending on the compatible model. It is suited for residential natural gas water heater systems and is a direct service replacement for units that have lost ignition function due to a worn or failed igniter rod.

Key Features

• Complete kit format supplies all components needed for igniter rod replacement
• Designed for natural gas burner ignition systems
• Compatible with both indoor and outdoor natural gas water heater models
• OEM-style replacement for restoring original ignition performance

Compatibility

Compatible with the following A.O. SMITH natural gas water heater models: T-KJR2U-IN (NG), T-K4U-OS (NG), T-D2U-OS (NG), T-K4U-IN (NG), T-D2U-IN (NG), and T-KJR2U-OS (NG).

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater service technician. Before servicing, shut off the gas supply to the unit and allow the heater to cool completely. Follow all applicable local codes and the manufacturer service documentation when disconnecting and reconnecting igniter components. Do not restore gas supply or attempt ignition until all connections are verified secure and any access panels are properly reinstalled.

Technical Specifications

• Fuel Type: Natural Gas
• Application: Water Heater Igniter Rod Replacement
• Installation Type: Indoor and Outdoor

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100074610