Recirculation Pump: Water Heater Mounted
This type of recirculation pump system consists of a 120 volt pump and timer that is mounted to the water heater hot water line, and a thermostatically controlled bypass valve mounted between the hot and cold water lines at the sink farthest away from the water heater.
At pre-set times on the timer, the recirculation pump turns on and hot water is circulated within the hot water line, making it available for immediate use at the faucet or appliance.
Some key manufacturers and models of this product include:
Watts Premiers Hot Water Recirculation System
Grundfos Comfort System
Armstrong Astro Express Hot Water Recirculation System
