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The AO Smith 100321816 is a K restrictor fan made for specific tankless water heaters, namely the 110C, 310C, and 510C models. This fan component is essential to the operation of a tankless water heater. It ensures the right ventilation and airflow, crucial for effective combustion and safe gas exhaust. By maintaining proper airflow, this restrictor fan also aids in extending the life of the water heater.
This fan plays a vital role in maintaining efficiency in tankless water heater operation.
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