ok i changed a superpumps motor( 3/4) all the seals and the impeller...after about 2 hours it shut off and was really hot.....after about a week of this going on , i went back to store..replaced the motor thinking it was bad.....did the same thing.....i thought maybe impeller was wrong size...so i got another set of everything( impeller, defuser, seals ) ...and sure enough...afetr 20 minutes it shuts off...after it cools off it starts again...........is set to 220..as is the timer.........some one sugested to try it on 110 ...but im worried that if 220 power goes into the motor while is set to 220 it will ruin it...........any sugestions?? and thanks