Advanced Conservation Technology, Inc. (also known as, ACT, Inc. D'MAND Kontrols® Systems) manufactures Hot Water Recirculation Systems that deliver hot water on demand, reduce water waste, and conserve energy. ACT, Inc.'s D'MAND Kontrols® recirculating hot water pumps send cold water in the plumbing back to the water heater, via the cold water, or dedicated return line, while simultaneously bringing hot water to all fixtures in the line, in a matter of seconds. Unlike other hot water recirculation pumps, the D'MAND Kontrols Systems® do not allow hot water into the cold water line, and deliver hot water to the furthest fixtures on user demand, rather than relying on a timer activated system.
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