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Posted by Jack, CVMS on December 16, 2003 at 11:54:13:
In Reply to: water pump posted by James on December 16, 2003 at 02:50:42:
What kind (or brand & model) of pump is it?
Some pumps - primarily low head/high volume - can handle a limited amount of deadheading with no ill effects.
But water lubricated, high head pumps can bring the water to a boil if deadheaded too long.