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Old 11-18-2011, 11:04 PM   #1
OCBrewin
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Hello all,

So I have been browzing around trying to figure out how others were using their march pumps. I really wanted it to be portable, but I also had not quite seen a design that I liked. All of the pumps seem to be mounted with the head in a very breakable location.

Anyways, some stainless quick disconnects, Computer parts, a stainless HF toolbox and some switches and GFCI outlet later and I have something that I am happy with - it really came out clean and exactly what I was looking for, a completely protected pump with options for future expansion.

Basically the design consists of a stainless toolbox in which the pump is completely isolated from the outside. There are quick disconnects permenently mounted to the side of the box which in turn are flexibly mounted to the pump head. Something else that I did was to make the box have a computer style mail plug so that there are no wires hanging out when not in use.

The first switch turns power on to the GFCI outlet from the external power chord. The second switch turns on power to the small three outlet power strip that is wired to the load side of the GFCI outlet - this allowed me to not have to hard wire the pump, as well as gives me two additional outlets that are energized with the pump for future fans, lights, temp probes, etc..

All in all I am very happy with the out come - please feel free to comment and let me know of anythign that you see may be a problem or some additional features that might be useful. I am plannin a mayden brew sesh with this box next weekend.

Oh, and for those wondering - the flow control is a stainless ball valve that is part of the hoses that connect to the quick disconnect. This way I do not have a big valve sticking out an waiting to be caught on something while not in use...

Cheers!
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Old 11-18-2011, 11:06 PM   #2
emjay
 
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Does it not overheat?

 
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Old 11-18-2011, 11:54 PM   #3
Spartan1979
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I did something similar:

http://www.homebrewtalk.com/f51/my-p...-build-257388/

 
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Old 11-18-2011, 11:57 PM   #4
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Well, I have seen several members on this forum that have their pumps mounted in much smaller boxes, some even in sealed conduit boxes that are not much bigger than the pump itself. Many of them express that over heating is of no concern. But, just in case there are 2 ~1" dia. holes on the opposite side of the quick disconnects that should provide some ventilation.

That's the beauty of not wiring the pump directly to the GFCI but instead wiring it to a 3 outlet power strip - if I need to add a fan in the future it is simply plug and play!

Here is a pic of the back of the box showing the 15A male pronged power inlet - really keeps it clean, and the power chord simply stores inside the box when not in use.
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Old 11-19-2011, 12:02 AM   #5
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Very cool spartan! I don't know how I missed your box while searching! (and I thought that I was being original...) haha, oh well. That's exactly how I will mount the fans if I need them, but I don't think that I really will, esp with only one pump... we'll see.

I was going to try to mount them hard plumbed that way too originally but simply didn't have the room in my small box - so I ended up using the silicon hoses, which work really well.

 
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Old 11-19-2011, 12:05 AM   #6
iijakii
 
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That's a great build.

 
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Old 11-19-2011, 03:51 PM   #7
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very cool. well done! this would be a great project actually for a club to do (as the club) so that members could then check out the pump if/when needed.
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Old 11-19-2011, 04:55 PM   #8
yessri
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Very cool - parts list and cost breakdown?

 
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Old 11-19-2011, 06:24 PM   #9
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I don't remember all of the costs of each part, as I have been collecting brewing parts and have a bin of parts laying here for builds, but the parts list is:

1. Harbor Freight SS toolbox -$15 on sale
2. March 809HS pump - $120 on ebay
3. IEC 320 C13 Male Recessed computer Inlet - $3 at frys
4. C14 power chord - free, extra at work
5. Dual black AC wall switch, Black 15A GFCI, boxes and SS cover plates - don't remember, but about $20 from HD total, I think...
6. 2 - 1/2" x 90deg street elbows (brass, pickled...) - ~$10
7. 2 - 1/2" male thread x barbs (brass, pickled...) - ~$8
8. About 18" of 1/2" ID Silicon Tubing. ~$3/ft
9. 2 - 1/2" male thread x barbs (Stainless) - ~$8
10. 2 - Camlock SS quick disconnects - don't recall individual price, but prob about $5 ea.

All in all, it will probably cost about $200 for a completed, and usable box. Wow, it hurts more if I look at it all added up! haha... But this is about the same exact parts list as many other pumps-in-boxes out there - I just added a recessed plug, and isolated the pump from the elements, so mine is just a change in configuration really.

Happy Brewings!

 
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Old 11-19-2011, 08:30 PM   #10
yessri
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Thanks! You might be able to sell them if you're interested

 
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