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The A.O. SMITH 100315401 is an OEM replacement outlet tube designed for use in A.O. Smith water heaters. The outlet tube directs heated water from the tank to the hot water supply line, playing a direct role in delivery efficiency and flow. This component measures 16 inches in length with a 3/4 inches NPT connection and a 5.5 inches dimension, making it a direct-fit replacement for the original part. Installation is typically performed by licensed plumbers during routine maintenance or tank service calls.
This outlet tube is used in residential water heater applications where the original component has corroded, cracked, or otherwise failed. It is suited for installations requiring a 3/4 inches NPT threaded connection and is sourced directly from A.O. Smith as an OEM part, ensuring dimensional and material conformity with the original equipment specification.
Designed as an OEM-style replacement outlet tube for A.O. Smith residential water heater units requiring a 16 inches x 3/4 inches NPT x 5.5 inches outlet tube configuration.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and IPC guidelines. Before servicing, shut off the cold water supply and disconnect power or turn off the gas supply to the water heater. Use appropriate thread sealant or PTFE tape on the NPT threads before installation. Avoid over-tightening, which can crack the fitting or damage tank threads.
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