Hot Water Heater Recirculating Pump Diagram

Near the water heater area a recirculating pump pulls the water from the furthest fixture back into the water heater creating a loop.

Hot water heater recirculating pump diagram.

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

A pump at the water heater moves hot water through the recirculation line. A check valve must be installed in the line to ensure hot water. These pumps are often located near the water heater however they can be anywhere in the loop. If the hot water is not used it simply returns back to the tank.

A hot water recirculating pump is installed on your water heater returning unused hot water back to the water heater. It is designed to provide hot water on demand. There are two main components to an effective hot water recirculating system. A hot water recirculating system can give you instant hot water but you must mind some important safety tips.

Any cold water in the recirculation line is returned to the heater. This primary cost savings comes from less water going down the drain before the temperature is. With this option an additional pipe that is designated for hot water is installed in your home s plumbing.