Ao Smith 100224097 Flame Sensor Gasket Afr

Product Description

The AO SMITH 100224097 is a flame sensor gasket designed for use in tankless water heater systems. This gasket seals the flame sensor assembly, maintaining the integrity of the combustion chamber and helping the sensor accurately detect burner operation. It is a direct replacement part intended for use during routine maintenance or component repair. Licensed plumbers and HVAC technicians servicing tankless water heating equipment typically install this part. Its small form factor and straightforward fitment make it a practical stocking item for service professionals who regularly work on AO SMITH AFR tankless units.

This gasket is used with AO SMITH AFR-series tankless water heaters in residential applications. It is specifically listed for the TK-510C-NI, TK-310C-NI, and TK-110C-NI natural gas models. Technicians replacing a worn or damaged flame sensor will typically need this gasket to ensure a proper seal upon reinstallation. Keeping this part on hand reduces callback risk and supports efficient single-visit repairs on these tankless units.

Key Features

• OEM replacement gasket for AO SMITH AFR-series tankless water heaters
• Seals the flame sensor assembly within the combustion section
• Compatible with TK-510C-NI, TK-310C-NI, and TK-110C-NI natural gas models
• Direct replacement part for routine service and repair work

Compatibility

This gasket is compatible with the following AO SMITH tankless water heater models: TK-510C-NI (NG), TK-310C-NI (NG), and TK-110C-NI (NG).

Installation Notes

Installation should be performed by a licensed plumber or qualified HVAC technician. Before servicing the flame sensor assembly, shut off the gas supply and disconnect power to the unit. Inspect the mating surfaces for debris or damage before seating the new gasket. Follow the manufacturer service documentation and applicable local codes when reassembling the burner section.

Technical Specifications

• Product Type: Gasket
• Application: Replacement Part
• Used With: TK-510C-NI (NG), TK-310C-NI (NG), TK-110C-NI (NG)

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100224097