Grundfos 59896238 1/2-Inch 1/25 Horsepower Recirculator Pump with Timer and Cord, Sweat TLC = Timer, Line Cord, 6-Foot Flow range: 0 - 9 U.S. GPM, Head range: 0 - 6-Foot Motors: 2 pole, Single phase, 115-Volt Connection: Sweat - 1/2-Inch Maintenance-free, low energy consumption, easy to install, quiet running