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Old 08-31-2011, 11:36 PM   #1
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Default My quest for a pump

I want a pump. I want to be different though and find something besides a march pump to use for brewing, for no particular reason.

I was prompted to do this by seeing a marine pump today in the harbor freight store. After reading a number of threads, it apparently isn't a good alternative. I've been looking online though and saw this pump on amazon:

http://www.amazon.com/Temperature-Brushless-Delivery-boiling-7-9gal/dp/B004HPSSNU

It's slightly cheaper than the march, has a higher GPH, is submersible and thus presumably safer to use around water. It also is variable speed, so I am thinking maybe two pumps can be simultaneously set to the same rate to make for an easy fly sparge.

I also found little high temp pumps. I want to make a desktop brewstand now, for 1L batches!


http://www.amazon.com/temperature-approval-coffee-process-application/dp/B004HHW0FU/ref=sr_1_7?ie=UTF8&qid=1314832817&sr=8-7

Any idea if this would work?

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Old 08-31-2011, 11:55 PM   #2
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The reason people use the March 809 and similar pumps (Little Giant 3-MD-HC is another one) is because they are food safe and can operate at high temperatures.

I am not sure about that pump you linked. The highest operating temp listed in the description is 212F which is probably not high enough. And, it doesn't say anything about food safe operation, or even what materials the pump is constructed from.

I did find a good deal on a pump on ebay a while back, which I have used for several batches. It was a Gorman-Rupp 1/2" pump with magnetic drive, and used food safe parts for everything the wort would be in contact with. I think I got it for around $45, but I haven't seen them being sold in quite a while. And, it's not perfect. It has barbed connectors on the pump head so I am forced to sit there with a screwdriver hooking stuff up every time I brew with it.

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Old 09-01-2011, 12:00 AM   #3
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The first one is a 3 phase pump and is priced the same as a chugger. I'd rather have the chugger myself. Unless you have 3 phase power you cant use it.

The 2nd one might work . It is FDA approved meaning food product safe and handles high temp. It would probably do fine as a sparge pump. You'll need a DC power source though.

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Old 09-01-2011, 12:03 AM   #4
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I also was looking at hot water recirculating pumps such as this:

http://www.amazon.com/Grundfos-59896341-Brute-Horsepower-Recirculator/dp/B000JGH2F6/ref=sr_1_116?s=hi&ie=UTF8&qid=1314834963&sr=1-116

It has a max operating temp of 230F and I would think they are safe enough for food since its used in household hot water systems. These also have variable pumping speeds and can also be retrofitted with an 'aquastat' to sense water temp.

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Old 09-01-2011, 12:03 AM   #5
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The second one is not powerful enough IMO.

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Old 09-01-2011, 12:06 AM   #6
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In looking at it closer the 1st one is 3 phase DC brushless. I'm not sure what that means but its not 3 phase AC so I suppose if you had a large enough 12VDC power supply you could use it.

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Old 09-01-2011, 12:08 AM   #7
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A couple of those second ones would work if you don't want stuff done fast...

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Old 09-01-2011, 12:25 AM   #8
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Quote:
Originally Posted by PurpleJeepXJ View Post
A couple of those second ones would work if you don't want stuff done fast...
And you're not trying to pump very far or high. It cannot generate enough head pressure I think.
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Old 09-01-2011, 12:31 AM   #9
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Well the little ones were more of a joke than anything. I have a dream of making a miniature brewing system. Electric maybe. Then it would be powered by that pump

I'm seriously thinking that a cheap water recirculator for hot water systems would be a possible replacement. I just don't know what sort of fittings could be used for it. I also am only assuming that it is food safe.

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Old 09-01-2011, 01:27 AM   #10
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What like a 1gal table top system? hmmm... just got myself thinking

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