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The AO SMITH 100217962 is a replacement dip tube diffuser kit designed for use in residential water heaters. The dip tube directs cold incoming water to the bottom of the tank, keeping it separated from the heated water at the top and improving overall heating efficiency. This kit measures 32 inches in length with a 3/4 inch inlet and a 3 inch diffuser end. It is a direct replacement component installed by licensed plumbers or water heater service technicians during routine maintenance or repair.
This dip tube diffuser kit is suited for residential storage-tank water heater applications where the original dip tube has failed, degraded, or broken into fragments. A failed dip tube causes cold and hot water to mix near the top of the tank, resulting in reduced hot water output and inconsistent delivery temperatures. Replacing this component restores proper cold-water stratification and full hot-water capacity.
Designed as an OEM-style replacement dip tube diffuser kit for AO SMITH residential storage-tank water heaters. Confirm inlet connection size and tank model before installation.
Installation should be performed by a licensed plumber. Before servicing, shut off the cold water supply and disconnect power to electric water heaters or turn the gas valve to the pilot position on gas models. Drain sufficient water from the tank before removing the old dip tube. Follow all applicable IPC and local plumbing code requirements when replacing water heater components.
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