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Impeller swelling and seizing?
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02-08-2014, 05:45 PM
gregzz4
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Join Date: Oct 2011
Location: Burnaby, B.C.
Posts: 4,890
I've read it happens because some manufacturers use inferior magnet material and then coat them in an attempt to stop the iron rusting
Once SW penetrates the coating they swell
Something to do with the cost of cheap magnets vs rare earth material
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