Hydronic Circulating Pump, Compatible Intake Pipe Size 1 1/2 in, Connection Type Flange, Face to Face Dimension 8 1/2 in, Flange or Union Included Yes, For Use With Potable Systems No, Horsepower 2/5, Maximum Feet of Head 36 ft, Maximum Flow Rate @ 10 Feet of Head 72 gpm, Maximum Flow Rate @ 15 Feet of Head 64 gpm, Maximum Flow Rate @ 1 Foot of Head 82 gpm, Nameplate Voltage 120V AC, Number of Speeds 1, Phase Single, Pump Type Standard, Series Family E.2