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Pump above of Resevior?

post #1 of 16
Thread Starter 
Hey everyone,

Is it okay if I pump my pump above my res in my loop? I've heard you want your res the highest point in the loop but I don't know why that is. Does it have to be?
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post #2 of 16
If your pump is higher then your reservoir, then it will be harder to fill, and start the system for the first time
    
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post #3 of 16
Thread Starter 
Quote:
Originally Posted by Towlieee
If your pump is higher then your reservoir, then it will be harder to fill, and start the system for the first time
Because the water has to go against gravity and up the pump tubes right? Does this mean it is impossible or can it be done with some difficulty? I am having some problems fitting everything in my case. My pump would only be at max 5 or 6 inches above the res.
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post #4 of 16
Connect everything then bleed the setup with the pump under the res. Once all of the air is out you can mount it above the res.
    
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post #5 of 16
Thread Starter 
Quote:
Originally Posted by Snerp
Connect everything then bleed the setup with the pump under the res. Once all of the air is out you can mount it above the res.
Yea that's what I was just thinking about doing, thanks, I will do that.
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post #6 of 16
If you want optimal flow and pressure, you would have the resivoir be the highest point as well as the lowest point of the system. This is because of some crazy dynamics stuff...
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post #7 of 16
Quote:
Originally Posted by zerohour
Yea that's what I was just thinking about doing, thanks, I will do that.
If you have any other problems with the setup ask and we'll help.
    
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post #8 of 16
Quote:
Originally Posted by zerohour
Yea that's what I was just thinking about doing, thanks, I will do that.
The point of having the reservoir above the pump is partly because of performance (want the pressure going into the pump), and partly to prevent air bubbles. If there is a stray bubble in you proposed system, (there almost always is, mostly in the radiator), and your pump is the highest point, or if you mount it the wrong way, the bubbles get into the pump, which makes a loud noise. The worst case scenario is if the bubble is big enough, it gets caught in the pump impeller housing, which will cause the pump to stop pumping water. That is not what you want to happen.
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post #9 of 16
Thread Starter 
So should I try with the pump at the top and if all is well keep it there or should I not even risk it?
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post #10 of 16
Quote:
Originally Posted by zerohour
Because the water has to go against gravity and up the pump tubes right? Does this mean it is impossible or can it be done with some difficulty? I am having some problems fitting everything in my case. My pump would only be at max 5 or 6 inches above the res.
the main problem is, that pumps arn't self priming. So to start your pump you must already have water inside the pump and the tubing. Then it'l pump fine
But since your pump would be above the reservoir, that would make you have to come up with a way to get water into the pump and lines to begin with.

And about air bubbles in your pump. As long as your setup is good, all air bubbles will be gone within a few seconds and you'l never see them again. A t-line may have varyed results though
    
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