Water Heater Circulation Pump Diagram

If the hot water is not used it simply returns back to the tank.

Water heater circulation pump diagram.

The pump uses the cold water line to send water back to the water heater. The weird threaded fitting goes under the sink that s farthest away from the. Pump installs by water heater not under a sink in a bathroom or kitchen. Take the discharge line that had originally been connected to your water heater and screw onto the discharge outlet of the pump.

With this option an additional pipe that is designated for hot water is installed in your home s. Domestic circulating water heaters. 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. 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.

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. The following table compares a tankless water heater without a hot water circulation system column a to one with waterquick tankless column b. 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. Use teflon tape and tighten with a wrench.

A hot water recirculating pump is installed on your water heater returning unused hot water back to the water heater. Insert a gasket into the female fitting on the recirculating pump and screw it onto the threads of the water heater discharge outlet. It connects between the hot and cold water shut off valves at the farthest sink away from the heater. This is a reliable recirculating pump you can install on top of your water heater.

Two types of recirculating pumps option 1 full recirculating pump system. Uses water heater electrical outlet no new electrical outlets required. Ao smith 2018 a. 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.