Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Any experience with US Solar Pumps? Only $50.
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Old 11-28-2012, 06:14 AM   #11
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Just wonder what the plan would be to power it....being it is 12v, you just can't plug it into the wall?? Right?


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Old 11-28-2012, 01:58 PM   #12
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http://www.ussolarpumps.com/onlinest...products_id=32

I emailed the guy over there and he sent a link back to this one which has the stainless steel fittings made more specifically for brewers who apparently are one of their biggest audiences. They run $61. Free delivery also. I might have to pick one up.


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Old 11-28-2012, 03:25 PM   #13
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Just wonder what the plan would be to power it....being it is 12v, you just can't plug it into the wall?? Right?

All you need is an old wall wart from a cell phone or anything else that is 12v. I found several in my office that are no longer used. My Great BrewEh pump came with one pre-wired.
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Old 11-28-2012, 03:31 PM   #14
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All you need is an old wall wart from a cell phone or anything else that is 12v. I found several in my office that are no longer used. My Great BrewEh pump came with one pre-wired.
You'll need to make sure the wall wart has a high enough amperage rating.
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Old 11-28-2012, 04:24 PM   #15
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Well they already shipped my order after placing it late last night so that's a good thing. My plans on powering it are not thought out yet buy I'll probably just buy a power supply to reduce the power down to what I need.
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Old 11-28-2012, 04:41 PM   #16
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Well they already shipped my order after placing it late last night so that's a good thing. My plans on powering it are not thought out yet buy I'll probably just buy a power supply to reduce the power down to what I need.
I've used one of these to power two 12v fans on a saltwater reef tank for years and it's adjustable.
http://www.parts-express.com/pe/show...number=120-536
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Old 11-28-2012, 05:02 PM   #17
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I've used one of these to power two 12v fans on a saltwater reef tank for years and it's adjustable.
http://www.parts-express.com/pe/show...number=120-536
So using that for a pump, would that slow the flow rate if you're adjusting the voltage? Could that be a cheaper alternative to attaching a ballvalve going out of the pump?
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Old 11-28-2012, 05:50 PM   #18
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You could also go to radioshack and a get 12v transformer to powerer them. They're only like 12 bucks. If you want to vary the voltage get an LM317. And like mentioned above, you need to make sure you power supply is rater for the required amps.
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Old 11-28-2012, 06:13 PM   #19
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So using that for a pump, would that slow the flow rate if you're adjusting the voltage? Could that be a cheaper alternative to attaching a ballvalve going out of the pump?
I've never used mine that way, but I know the lower voltage will make a DC fan run slower. So logic says it would do the same for a 12v pump. Mine is now about 7yrs old.
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Old 11-28-2012, 09:18 PM   #20
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Originally Posted by limulus

I've used one of these to power two 12v fans on a saltwater reef tank for years and it's adjustable.
http://www.parts-express.com/pe/show...number=120-536
Thanks, I might just pick that up.


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