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Home Brew Forums > Home Brewing Beer > DIY Projects > Fermenters > Glycol Fridge Fermenter Mod/Build
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Old 02-15-2012, 08:33 PM   #11
benbradford
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Any updates on this?


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Old 02-17-2012, 12:13 AM   #12
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Quote:
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Any updates on this?
I've got some updates for it, just been busy lately.


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Old 02-17-2012, 11:02 AM   #13
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Great build, love how neat the setup is, it looks much better than the bastardized cooler setup. Looking forward to more info!
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Old 02-23-2012, 08:48 PM   #14
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I love this idea! But could the coils ice over at any point?
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Old 02-24-2012, 01:20 AM   #15
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I love this idea! But could the coils ice over at any point?
they could, but I did two things to prevent it. one, there's glycol added to lower the freezing point, so it primarily just slush.

Second, I added a small pond pump to circulate the fluid. That seems to effective.
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Old 02-24-2012, 01:31 AM   #16
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I'm having to redo the chiller system - the evaporator I was using was made from aluminum, and it looks like an area where the defrost heater used to be killed the anodized coating...and it corroded through and died. I'm replacing it with a dehumdifier core.

I'm also cleaning the inside up and will get pics of the electronics and how the glycol is pumped and controlled.

But for now, here it is with the doors mounted and the brewhemoth sitting in it.



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Old 04-11-2013, 05:32 PM   #17
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Any updates on this? I'm curious how you pumped the glycol?
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Old 04-11-2013, 05:42 PM   #18
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Any updates on this? I'm curious how you pumped the glycol?
Yes, actually I have several updates for it! I've just been really busy lately (haven't even brewed since new years )

for the glycol pump I'm using a 1 gpm 12v diaphragm pump. This pump has an internal pressure switch that kicks it off around 40-50psi. When the controller needs glycol, it opens a solenoid that allows glycol to flow through the chiller coils. the drop in pressure makes the pump kick on.

here's the pump i'm using: http://www.northerntool.com/shop/too..._357081_357081

they are also used in rv's for the water supply

Reason: add link to pump
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Old 04-11-2013, 06:18 PM   #19
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Does that pump stay primed or are diaphragm pumps self priming? I'm training to figure out the best way to cool my Brehemoth that should arrive in a few weeks. How do you like yours?
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Old 04-11-2013, 06:24 PM   #20
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they are self priming.

I like the brewhemoth, I wish the cooling coils were larger, as it doesn't work as well as my other fermentors, but in reality it works fine and I can still lager with it. the capacity is nice as well as how well it seals up.


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