Hydronic Circulating Pump Compatible Intake Pipe Size 1 in 1 1/4 in 1 1/2 in Connection Type Flange Face to Face Dimension 8 1/2 in Flange or Union Included No For Use With Potable Systems Yes Horsepower 1/6 Maximum Feet of Head 28 ft Maximum Flow Rate @ 10 Feet of Head 31 gpm Maximum Flow Rate @ 15 Feet of Head 23 gpm Maximum Flow Rate @ 1 Foot of Head 44 gpm Nameplate Voltage 115V AC Number of Speeds 3 Phase Single Pump Type Multi-Speed Series Family NRF