Hydronic Circulating Pump, Compatible Intake Pipe Size 2 1/2 in, Connection Type Flange, Face to Face Dimension 15 3/4 in, Flange or Union Included No, For Use With Potable Systems No, Horsepower 1/4, Maximum Feet of Head 16 ft, Maximum Flow Rate @ 10 Feet of Head 58 gpm, Maximum Flow Rate @ 15 Feet of Head 10 gpm, Maximum Flow Rate @ 1 Foot of Head 110 gpm, Nameplate Voltage 120V AC, Number of Speeds 1, Phase Single, Pump Type 3-Piece, Series Family S&H