Hydronic Circulating Pump, Compatible Intake Pipe Size 3/4 in, 1 in, 1 1/4 in, 1 1/2 in, Connection Type Flange, Face to Face Dimension 6 3/8 in, Flange or Union Included No, For Use With Potable Systems Yes, Horsepower 1/40, Maximum Feet of Head 8 ft, Maximum Flow Rate @ 1 Foot of Head 11 gpm, Nameplate Voltage 115V AC, Number of Speeds 1, Phase Single, Pump Type Standard, Series Family NRF, Maximum Flow Rate @ 5 Feet of Head 5 gpm, Series NRF-9F/LW, Amps 0.40 A