Grundfos Circulator Pump, TP Series, Model: TP 50-160/2, 92.5 gpm Flow Rate, 52-1/2 ft Maximum Head, 1.1 kW, 208-230YY/460Y V, 4.7 to 4.6/2.3 A, 60 Hz, 145.04 psi Maximum Pressure, 3450 to 3480 rpm Motor Speed Rating, 1.15 Service Factor, 1-1/2 hp, 2 in Connection, US Flanged Connection, 3.43 in Impeller Diameter, 3 ph Phase, 2 Poles, 5 to 284 deg F, IP55 Enclosure, Iron, 19-3/8 in H x 14 in W, Additional Information: F Insulation Class, 1-Stage, 0.63 in Dia x 1.89 in L Shaft Size, 56C Frame Size, ML80BA, TEFC Motor, Stainless Steel Impeller Material, Domestic