UPS15-55SFC - Stainless Steel 3-Speed Flanged Circulator Pump with Check Valve - 1/12 HP, 115 VStainless Steel 3 Speed Flanged Circulator Pump, 1 12 HP, 115 V 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. Ceramic shaft and radial bearings Carbon axial bearing Stainless steel rotor can and bearing plate Corrosion resistant impeller, Composite, PES Stainless steel pump housing PKZ1920040