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billie_t 03-20-2008 04:03 PM

sump pump help
 
due to landscaping and outdoor cement..i have to pump my sump water quite a ways... i need some help on lift (or it may be called head pressure)

my sump pump must first lift the water 12 feet..then turn 90 degrees and run horizontal for the length of the House ..about 50 then another 90 up 1.5 feet and another 90 out through the wall...

i can buy a sump pump with a 25 foot lift..will this work in this situation..i do not know how to convert horizontal runs into the equivlent of lift

thanks for any help offered

wire_twister 03-20-2008 04:23 PM

is the horozontial run level or is it up hill? if it is up hill measure difference in elevation from one end to the other and add this to your verticle measurement, if the run is level you will incur a small ammount of friction loss, not enough to worry about in that short of a run.

perpetual98 03-20-2008 04:59 PM

I think you'll want to try to get all of your vertical first, then the horizontal. It may not be feasible in your situation. I'd guess that you'll end up with a lot of water sitting on your check valve and the tube would pretty much be full all the time, just waiting for the next pumping of water to expel what's been sitting in the pipe.

billie_t 03-20-2008 09:18 PM

thenaks for your help fellas..the horizontal run will be close to level...it will be running above a false ceiling..there may be a bit up in down in there to get around things but only a couple of inches i would think

i thought i read somewhere that pushing water (even level) added to "head pressure" because of friction but maybe i was misunderstanding or in an altogether different world at the time..thanks again


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