Taco®, 0018e-2F4, Variable Speed Circulator, Cast Iron, Series: 00e, 16 gpm Flow Rate, 1/2, 3/4 in Inlet, 18 ft Maximum Head, 115 V, 0.54 A, 60 Hz Frequency, 1 ph, 1590 to 4830 rpm Motor, Composite Impeller, Flange Mounting, 36 to 230 deg F, Carbon Bearing, Green, 6-3/8 in H x 6 in W x 6 in D Dimensions