Grundfos Circulator Pump, Series: UPS, 52 gpm, 45.28 ft Maximum Head, 370 W, 115 VAC, 2.5 to 3.5 A, 60 Hz, 1 ph, 145 psi Maximum, 104 deg F Ambient, 7-1/8 in W x 6-1/2 in H
The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid.