ARMSTRONG Circulator Pump, Astro 2 Series, Model: Astro 230ci-r, 0 to 64 gpm Flow Rate, 31 ft Maximum Head, 97 W, 115 V, 0.81 A, 60 Hz, 150 psi Maximum Pressure, 3600 rpm Motor Speed Rating, 1/8 hp, 1/2 in Connection, 2-Bolt Flanged Connection, 1 ph Phase, In-Line Mounting, 230 deg F, Iron, 6.38 in H x 5.63 in W, Additional Information: Noryl Impeller Material