Grundfos Circulator Pump, TP Series, Model: TP 50-40/4, 70.4 gpm Flow Rate, 13.12 ft Maximum Head, 0.25 kW, 208-230/460 V, 1.9 to 1.6/0.8 A, 60 Hz, 145.04 psi Maximum Pressure, 1725 rpm Motor Speed Rating, 1.35 Service Factor, 1/3 hp, 2 in Connection, US Flanged Connection, 3.56 in Impeller Diameter, 3 ph Phase, 4 Poles, 5 to 284 deg F, IP54 Enclosure, Iron, 18-13/16 in H x 14 in W, Additional Information: B Insulation Class, 1-Stage, 0.63 in Dia x 1.88 in L Shaft Size, 56C Frame Size, Baldor, TEFC Motor, Stainless Steel Impeller Material, Domestic