Hot Water Heater Recirculating Pump Diagram

Follow this guide for proper installation of your recirculating hot water system.

Hot water heater recirculating pump diagram. A pump at the water heater moves hot water through the recirculation line. This primary cost savings comes from less water going down the drain before the temperature is. These pumps are often located near the water heater however they can be anywhere in the loop. 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.

Any cold water in the recirculation line is returned to the heater. A recirculation line is a separate water pipe that runs off the hot water line from the farthest plumbing fixture back to the water heater. The recirculating pump installed on the hot water discharge line of your home s water heater and the sensor valve installed on the supply lines of a faucet at the farthest distance from the water heater. A check valve must be installed in the line to ensure hot water.

If the hot water is not used it simply returns back to the tank. It is designed to provide hot water on demand. Two types of recirculating pumps option 1 full recirculating pump system. In a traditional hot water recirculating system there is a dedicated return line for the hot water pipes which runs from the furthest bathroom or fixture back to the water heater.

Near the water heater area a recirculating pump pulls the water from the furthest fixture back into the water heater creating a loop. With this option an additional pipe that is designated for hot water is installed in your home s plumbing. A hot water recirculating system can give you instant hot water but you must mind some important safety tips.