Grundfos Circulator Pump, Series: UPS, 33 gpm, 28.87 ft Maximum Head, 197 W, 115 V AC, 1.3 to 1.8 A, 60 Hz, 1 ph, 145 psi Maximum, 3380 rpm Motor, 104 deg F, 6 in W x 6-1/2 in H