Quote:
Originally Posted by rvitko
Denny,
I think I have this solved, it looks like it was one pump as the older one without controller, the shaft is sanded down and the newer one the drive unit has a large ovate hole. My hunch is sand got in this pump and sanded the shaft and drive unit and then in cleaning the parts got swapped. I am still working on trying to replace the shaft, you will need a new drive unit.
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ok that makes sense as i had 4 pumps all getting cleaned at the same time.
also the type of controller, bought them all in one order but one one has the new end the other 3 have the old end.
they ran for a while before the buzz started , no idea how it got the sand but there was plenty of sand in the tank.