the pumps can be repaired,mine stopped so i removed it removed one screw thet holds the black plastic top,carefully remove top while feeding the wires back through the gromet.with a small emerry paper ,clean the contacts where the voltage goes through.re assamble unit and try on the bench,if it goes and you block the outlet pipe with your fingure the pump should slow down to a tick or stop,take fingure off aand it should go again...it worked for me
