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Old 07-23-2012, 05:30 PM   #1
sarsnik
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Oct 2010
Pennsylvania
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After swamping my yard, I'd like to get a pump to recirculate ice water in my IC. What sort of GPH will I need to get the best cooling efficiency? Would one of the submersible fountain pumps from harbor freight work?

Thanks in advance for any advice.

 
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Old 07-23-2012, 05:46 PM   #2
Schumed
 
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I've used a simple pond pump
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Old 07-23-2012, 05:53 PM   #3
DeafSmith
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Here's the one I use to recirculate ice water after getting the temp below 100 F using tap water:

http://www.harborfreight.com/16-hors...ump-68422.html

I don't think the gph rating is as significant as the lift rating - it takes a lot of pressure to force water through a long, small diameter tube and this will cut the actual gph way down below the rated value. Even though my pump is rated for 1350 gph, I actually only get about 65-70 gph through my 50 foot, 3/8 OD chiller + two 6 foot washing machine hoses. Note that my pump has a better lift rating than many of the others.

 
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Old 07-24-2012, 01:19 AM   #4
deflagratio
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May 2010
Alabama
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I use tap water for down to 100 and then switch to the pump. If I wasn't about to purchase a plate chiller I would put a spliitter on mine so I could have both hoses hooked up at once.

 
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Old 07-24-2012, 02:33 AM   #5
Ramitt
 
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Quote:
Originally Posted by deflagratio View Post
I use tap water for down to 100 and then switch to the pump. If I wasn't about to purchase a plate chiller I would put a spliitter on mine so I could have both hoses hooked up at once.
Derp! Why had I not thought of that.

 
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