Ao Smith 100113151 Flame Sensor Rod Kit

Product Description

The AO SMITH 100113151 is a flame sensor rod kit designed to detect and confirm burner flame presence in gas-fired water heater systems. The flame sensor generates a small rectified current when exposed to a live burner flame, signaling the control board that ignition has been established. Without a functioning flame sensor, the control system cannot confirm combustion and will shut down the gas valve as a safety measure. This kit is intended as a direct replacement part for restoring proper flame-sensing function. Installation is typically performed by licensed plumbers or HVAC technicians during routine service or troubleshooting of ignition lockout conditions.

This flame sensor rod kit is suited for residential gas water heater applications where the original sensor has degraded, corroded, or failed. A worn or oxidized sensor rod produces a weak or absent microamp signal, causing nuisance lockouts even when the burner is operating correctly. Replacing the sensor rod restores reliable ignition confirmation and normal appliance operation.

Key Features

• OEM replacement flame sensor rod kit for AO SMITH gas water heaters
• Restores proper burner flame detection and ignition confirmation
• Prevents nuisance lockout caused by degraded or corroded sensor rod
• Direct replacement designed to match original fitment and electrical interface

Compatibility

Designed as an OEM-style replacement flame sensor rod kit for AO SMITH gas-fired residential water heater systems.

Installation Notes

Installation should be performed by a licensed plumber or qualified gas appliance technician. Shut off the gas supply and disconnect electrical power to the water heater before beginning any service work. Handle the sensor rod carefully to avoid contaminating the sensing surface, as oils from skin contact can affect signal quality. Work should comply with applicable local plumbing and gas codes, including IFGC guidelines where adopted.

Technical Specifications

• Application: Replacement Part

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100113151