The Grundfos Comfort System is designed to eliminate the wait for hot water at the taps in existing homes with no recirculation line. The stainless-steel recirculation pump connects to a standard tank-style water heater. A thermostatic bypass valve is installed at the sink or ...The Grundfos Comfort System is designed to eliminate the wait for hot water at the taps in existing homes with no recirculation line.
The stainless-steel recirculation pump connects to a standard tank-style water heater. A thermostatic bypass valve is installed at the sink or fixture furthest from the water heater. Kit includes, pump, timer, line cord/plug, valve and 2 connect hoses.