Hydronic Circulating Pump Connection Type Flange Face to Face Dimension 6 3/8 in Flange or Union Included Yes For Use With Potable Systems No Maximum Feet of Head 18 ft Maximum Flow Rate @ 10 Feet of Head 8 gpm Maximum Flow Rate @ 15 Feet of Head 5 gpm Maximum Flow Rate @ 1 Foot of Head 15 gpm Nameplate Voltage 120V AC Number of Speeds Variable Phase Single Pump Type Energy Efficient Series Family 00E Maximum Flow Rate @ 5 Feet of Head 12 gpm Series 0018E Amps 0.54 A