Hot Water Circulating Pump, Hot Water Circulating Pump, HP 3/4, Voltage - Pumps 208/230/460VAC, Phase - Pumps 3, Connection Style Flange, Inlet/Outlet Size 1-1/2 In., Shut-Off 45 ft., Housing Material - Pumps Lead Free Bronze, Max. GPM @ Head 62 gpm @ 13 ft., Series H-64, Face to Face Dimension 13-1/2 In., Best Efficiency GPM @ Head 40 gpm @ 37 ft., Min. GPM @ Head 15 gpm @ 44 ft., Drive Type Direct, Height 13-1/2 In., Length 23 In., Width 10 In., Loop Configuration Open