Quote:
Originally Posted by FF
If the noisemaker is run hard the cooling water will be hotter.
Try using 2 paper gaskets instead of just 1 to allow for the heat.
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This pump is constantly passing raw water and doesn't get warm when the impeller is working. It is a little warm after the impeller fails, but that is after the fact.
Measuring the clearance shows the chamber that is about 1/16" wider than the impeller so I don't think there is any binding in there.