Domestic Hot Water Recirculation Part 7: Balancing Systems with Multiple Risers

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Ever have to wait 2 or 3 minutes (or longer) for hot water to arrive at the shower in a hotel room? If you know a little about plumbing design you may assume you’ve had the misfortune of choosing a hotel without a recirculation system. But chances are the hotel does have a recirculation system, it just isn’t properly balanced.
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Domestic Hot Water Recirculation Part 4: Pump Sizing Example

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Designing a domestic hot water recirculation system is not typically difficult. In fact, we see the exact same model recirculation pump used in application after application without incident, as this one pump is typically able to meet the minor head and flow requirements of most recirculation systems. That said it is important to work through the proper design procedures for any recirculation system. A little time up front can save a lot time (and money) after the fact.
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