Grundfos 59896215 1/25 Horsepower, 1/2 and 3/4-Inch Recirculator Pump with Timer and Cord, Sweat Tlc = timer, line cord, 6-foot Flow range: 0- 9 u.S. Gpm, head range: 0- 6-feet Motors: 2 pole, single phase, 115-volt Connection: sweat - 1/2-inch and 3/4-inch Maintenance-free, low energy consumption, easy to install, quiet running