Hydronic Circulating Pump, Compatible Intake Pipe Size 3 in, Connection Type Flange, Face to Face Dimension 10 in, Flange or Union Included Yes, For Use With Potable Systems Yes, Horsepower 1/3, Maximum Feet of Head 18 ft, Maximum Flow Rate @ 10 Feet of Head 85 gpm, Maximum Flow Rate @ 15 Feet of Head 53 gpm, Nameplate Voltage 115/230V AC, Number of Speeds 1, Phase Single, Pump Type 3-Piece, Series Family Series HD3, Maximum Flow Rate @ 5 Feet of Head 107 gpm, Series HD3, Amps 2.1/4.2 A