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  3. Is the 8-10 gallon storage tank necessary for a recirculation system?
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  3. Is the 8-10 gallon storage tank necessary for a recirculation system?

Is the 8-10 gallon storage tank necessary for a recirculation system?

It is not necessary; the 8-10 gallon storage tank alleviates cold water sandwiching effects that occur in some installations. It is meant for comfort purposes only and is not necessary for correct operation of a recirculation loop.

Recirculation
The process of keeping the hot water supply line warm by circulating water, using a pump, through the water line back to the heat source (i.e. Noritz water heater).

Storage tank
A vessel in which a body of water is stored.

Updated on April 13, 2021

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