Plumbing Layouts

One of the most common home plumbing problems is the wait for hot water. By installing an ACT, Inc. D’MAND Kontrols® pump in your home you can greatly reduce the wait time for hot water AND the water wasted down the drain. Depending on your home plumbing layout, the ACT, Inc. D’MAND Kontrols® pump will either be installed under the furthest fixture or at the end of the dedicated return line. When considering whether the ACT, Inc. D’MAND Kontrols® pump is the right solution to your home plumbing problems, it is important to remember that ACT Inc.’s hot water recirculating pumps work with either the Standard or Structured home plumbing layouts.

Standard Plumbing:

The D’MAND Kontrols® System is designed to move hot water from your water heater to your most remote fixture within seconds. In the typical home plumbing layout the furthest fixture is either the master bathroom or kitchen. If the user does not have a dedicated return line, then the ACT, Inc. D’MAND Kontrols® pump will be placed under the sink fixture furthest from the water heater. ACT, Inc.’s recirculating hot water pumps send cold water in the plumbing back to the hot water heater, via the cold water line, while simultaneously bringing hot water to all fixtures on that plumbing line, in a matter of seconds. The ACT, Inc. D’MAND Kontrols® pump has an internal thermistor which turns the pump off once it detects a six degree rise in the water temperature. Unlike other hot water recirculation pumps, the ACT, Inc. D’MAND Kontrols® pump turns off before allowing hot water into the cold water line, and delivers hot water to the furthest fixtures on-demand, rather than on a timer based system.

Structured Plumbing® :

In a home plumbing layout that utilizes Structured Plumbing ® the ACT, Inc. D’MAND Kontrols® pump should be placed at the end of the dedicated return line, just before the water heater. The thermistor in the ACT, Inc. D’MAND Kontrols® pump will detect a six degree rise in water temperature and turn off the pump once that degree rise has been detected. By placing the recirculation system next to the water heater, the dedicated return line enhances the plumbing system design. ACT, Inc. recommends including a dedicated return line when designing residential plumbing systems for new-home construction.


Love it!Kathleen — Gulf Breeze, FL

Very good product - well made.Ron — Creighton, MO

Excellent unit. Excellent technical support.Jack — Tustin, CA

Should be a great water saver in New Mexico. Remote very useful.Robert — Albuquerque, NM

The unit works very nicely.Brian — Athens, PA

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