Hydronic Circulating Pump, Compatible Intake Pipe Size 2 in, Connection Type FNPT, Face to Face Dimension 11 1/2 in, Flange or Union Included Not Applicable, For Use With Potable Systems No, Horsepower 3/4, Maximum Feet of Head 24 ft, Maximum Flow Rate @ 10 Feet of Head Not Applicable, Maximum Flow Rate @ 50 Feet of Head Not Applicable, Maximum Flow Rate @ 15 Feet of Head 128 gpm, Maximum Flow Rate @ 1 Foot of Head Not Applicable, Nameplate Voltage 208 to 230/460V AC, Phase Three