Water Heater Circulation Pump Diagram

Two types of recirculating pumps option 1 full recirculating pump system.

Water heater circulation pump diagram.

Back to product literature piping diagrams commercial electric heat pump commercial tank type electric commercial tank type gas commercial tankless domestic circulating water heaters residential piping diagrams a. The weird threaded fitting goes under the sink that s farthest away from the. The pump uses the cold water line to send water back to the water heater. With this option an additional pipe that is designated for hot water is installed in your home s.

A hot water recirculating pump is installed on your water heater returning unused hot water back to the water heater. Hot water circulation systems with a dedicated return line often utilize a pump installed at the water heater and continuously pump during scheduled on time periods. It is designed to provide hot water on demand. As the above illustration shows installing a readytemp at or nearest to the farthest hot water usage point instead of at the hot water heater eliminates wasting thermal energy.

Ao smith 2018 a. It connects between the hot and cold water shut off valves at the farthest sink away from the heater. Pump installs by water heater not under a sink in a bathroom or kitchen. The following table compares a tankless water heater without a hot water circulation system column a to one with waterquick tankless column b.

These beneficial systems keep a steady supply of hot water ready for those moments when you need hot water immediately like a cold winter morning. Domestic circulating water heaters. Insert a gasket into the female fitting on the recirculating pump and screw it onto the threads of the water heater discharge outlet. The recirculating pump keeps hot water moving through your home s hot water pipes at all times on demand or set for specific hours via a timer different from a water heater timer.

Uses water heater electrical outlet no new electrical outlets required. 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. Choose your country. If the hot water is not used it simply returns back to the tank.