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 heater recirculation pump.
The rheem rtgh is one of example of a unit with a built in recirculation pump.
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.
A water heater and pump combined or separate.
Homeowners need not worry about going without hot water again thanks to recirculations systems.
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.
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.
Btu input range 18 000 199 900 max gpm 11 1 uef 0 97 warranty 15 year warranty on heat exchanger recirc length 200 feet 1 2 500 feet 3 4.
Tankless keeps hot water recirculating.
It s not the cheapest way to increase the energy efficiency of your tankless unit but it does prevent the water from cooling off.