



Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The AO SMITH 100265707 is a flue baffle assembly kit designed for natural gas water heaters. It provides the internal baffle components needed to maintain proper flue gas flow and combustion efficiency within the heat exchanger. This kit is specific to the N3 series G40S40 configuration and includes aluminum exterior components suited for the flue stack assembly. Installation is typically performed by licensed plumbers or water heater service technicians during scheduled maintenance or warranty service work.
This flue baffle kit is intended for use with natural gas-fired residential storage water heaters in the AO SMITH G40S40 product line. The N3 designation identifies the specific burner and flue configuration this kit is engineered to fit. It is commonly installed during flue system inspections, baffle replacements, or as part of a factory-authorized service procedure on affected units.
Designed as an OEM-style replacement flue baffle kit for AO SMITH N3 series G40S40 natural gas water heaters as indicated in the product designation.
Installation should be performed by a licensed plumber or qualified water heater service technician. Shut off the gas supply and allow the unit to cool completely before beginning any flue or combustion-related service work. Refer to the unit service manual for proper baffle orientation and seating procedures. Work on gas appliance flue systems should comply with applicable local codes and IFGC requirements.
Thanks for subscribing!
This email has been registered!

