Determine the most important long hot water wait. Turn the hot water on at this location, and time the wait for the hot water to arrive, then shut the water off. Now go back through your home towards the water heater testing other locations to see how long it takes to receive hot water. If you receive hot water more quickly than before, this is the benefit you will receive from the Metlund D'MAND System. (This test must be performed when both the hot and cold water lines are at ambient temperatures.

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