What Are the Benefits of a Hot Water Demand System?
Before we examine the benefits of a hot water demand system lets make sure we know what it is. For those of you who have not encountered one, a demand hot water system is a hot water delivery system that uses a pump get your hot water from your water heater to your fixture quickly without wastefully running water down the drain. When you want hot water you press a button which turns on the pump, speeding hot water to you, while pumping the cooled off water in the piping back to the inlet of the water heater. It just pumps the water around in a big loop. When hot water reaches the pump it shuts off, preventing the cold water line from filling with hot water. At that point you have instant hot water when you turn on the tap. Several manufactures of demand systems offer other methods than a button to turn on the pumps, such as motion detectors and photo cells. Depending upon how your house is plumbed you may be able to cover a number of fixtures with just one pump. Most often the pump is
