Bell & Gossett Circulator Pump, NBF Series, Model: NBF-10S/LW, 0 to 10 gpm Flow Rate, 60 ft Maximum Head, 52 W, 115 V, 0.46 A, 60 Hz, 150 psi Maximum Pressure, 2800 rpm Motor Speed Rating, 1/40 hp, 1/2 in Connection, Sweat Connection, 1 ph Phase, In-Line Mounting, 40 to 230 deg F, Lead-Free Bronze, 5 in H x 4-7/8 in W x 5-7/32 in D, Additional Information: Noryl Impeller Material