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The AO SMITH 100265708 is a propane (LP) conversion kit designed for the FBA N3 G40S40 water heater series. This kit provides the hardware and components needed to convert a compatible water heater from natural gas operation to liquefied petroleum gas, and includes an aluminum exterior configuration for outdoor or exposed-environment installations. Conversion kits of this type are installed by licensed plumbers or HVAC technicians as part of a fuel-source changeover during installation or service.
This kit is intended for use with AO SMITH FBA N3 G40S40 series water heaters requiring LP gas conversion with aluminum exterior components. It is suited for residential applications where the local fuel supply is propane rather than natural gas, or where a unit originally configured for natural gas must be adapted for LP service. Installation is performed at initial setup or during a documented fuel-source conversion service call.
Designed for use with AO SMITH FBA N3 G40S40 series water heaters requiring LP gas conversion with aluminum exterior fitment.
This conversion kit should be installed by a licensed plumber or qualified gas technician in accordance with local codes and the appliance manufacturer's instructions. Shut off the gas supply and disconnect power to the water heater before beginning any conversion work. Do not attempt to convert the appliance fuel type without using the correct OEM-specified kit for the model. All gas connections must be leak-tested after installation before returning the unit to service.
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