Tankless Water Heater Recirculation Pump

Pump installs by water heater not under a sink in a bathroom or kitchen.

Tankless water heater recirculation pump.

It returns the hot water back to your heater when you close the hot water faucet. Through this process water located inside the pipe doesn t cool off. This is the most energy and water efficient way to operate a tankless water heater. It is also offers the most cost saving.

Tankless water heaters with recirculating pump a sort of third option is to have a tankless water heater that comes preinstalled with a recirculating pump or is at least ready for one to be added. Here s how it works. A water heater and pump combined or separate. The rheem rtgh is one of example of a unit with a built in recirculation pump.

If you aren t familiar with a tankless water heater you can read up on the pros and cons of owning one to see if it is right for you. With the help of an integrated or external pump water travels from the tankless water heater to the hot water faucets throughout a home without the need to add additional water lines. A hot water recirculating pump works by keeping the hot water in your pipes readily available. This can be a tankless water heater with an integrated recirculation pump or a water heater and an external pump.

It s not the cheapest way to increase the energy efficiency of your tankless unit but it does prevent the water from cooling off. In this way the hot water plumbing pipes remain filled with hot water and you do not have to wait to use hot water. The recirculation pump commonly known as a circulator pump this system is responsible for circulating water from and back to the heater creating a reheating process to ensure hot water. The following table compares a tankless water heater without a hot water circulation system column a to one with waterquick tankless column b.

Tankless water heating recirculation works when a pump is activated by a switch or motion sensor. A timer setting can be activated to run every so often for example every 30 minutes to keep hot water flowing through the homes pipes and ready when needed. Also known as the circulator pump the recirculation pump is continuously circulating the water back to the tankless water heater for later reheating. The new recirculation pump kit from rheem provides immediate hot water using the tankless water heater controls.

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