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If you have a submersible pump, and you run it dry long enough, the heat generated will melt the impellers and eventually destroy the motor. All this can happen in less than an hour.
bob...
Wiki User
∙ 15y ago
Wiki User
∙ 11y agoIt certainly will ! - If a jet-pump runs dry for any length of time it gets very hot and if the impeller is plastic ( as many are) it will warp and possibly even melt. The motor bearing at the pump end will overheat and dry up, the ceramic seal ring at the back of impeller will possibly crack.
- Labour-wise these are big problems. An average jet-pump costs around $600. A total tear down and replacement of parts I've mentioned can cost over $400.
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