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Re: Re: submersible pump things
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Posted by Craig on January 08, 2004 at 12:29:57 from (18.104.22.168):
In Reply to: Re: submersible pump things posted by john on January 08, 2004 at 06:26:14:
"would it ruin the pump if I impeded the water outlet a bit..say with a valve?"
actually you will ruin the pump if you DON'T impede the flow. That doesn't make much sense does it? heres the explanatation. A centrifugal pump pumps more water if it has less head pressure. with only 10 feet or so of head and no pressure tank, the pump could pump TOO MUCH water. the more water is pumped, the higher the amp draw. the pump could actually overheat.
I think you should sell these pumps and buy a sump pump. but if you wish to use them heres what to do. plumb the pumps using the recommended size pipe. put a valve in the pipe in an accessable area. between the pump and the valve put a pressure gauge. open the valve all the way and start the pump. close the valve untill the pressure reads at least 30 PSI.
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