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Home Brew Forums > Home Brewing Beer > Beginners Beer Brewing Forum > refrigerator temperature controller.
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Old 05-06-2013, 08:53 AM   #1
Brewmex41
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Default refrigerator temperature controller.

My dad redid his kitchen and he's letting me have his old fridge. In the future, I'd like to lager with it, but for now I would like to use it for an ale fermentation chamber. I don't have a/c, so my beers have been getting up to 74/76° F
Can someone give me some advice on how to keep a fridge around 68-70 on a budget? I'm living with my wife and 8 month old son along with 3 mooching grown adults so my budget is kinda limited.
Thanks and cheers!

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Old 05-06-2013, 04:35 PM   #2
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I would look on E-bay to find a good temp controller.

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Old 05-06-2013, 04:39 PM   #3
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I use the digital one from Johnson, and it's been amazing. There periodically are sales on it. I believe I paid a little over half of what it costs on amazon right now, so it may be worth price comparing:

http://www.amazon.com/Johnson-Contro...ref=pd_sbs_k_1

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Old 05-06-2013, 04:48 PM   #4
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Ok I'll shop around. Thanks!
Is it possible to keep the fridge at fermentation temp and the freezer at regular fridge temp, for beers that are ready to drink?

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Old 05-06-2013, 04:53 PM   #5
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Default Relatively inexpensive

I have had a Johnson a419 and they work great, but last year at NHC (seattle) I discovered Control Products. They have the TC-9102D model

http://www.openboxsavings.net/products/b0057apr3i-5

I believe I paid $60.00 for it.

It is a dual stage relay, which means it can both Heat and Cool using the same temp sensor and everything.

I like the red LED which allows you to easily see the temp in the dark if needed.

The nice thing over the Johnson is that you don't need to disassemble it to change jumpers when taking one of the relays from Heating mode to cooling mode, it's all done via the LED and push button interface.

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Old 05-06-2013, 09:50 PM   #6
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http://www.homebrewtalk.com/f39/can-...60/index3.html

See post #21 of this thread, instructions on diy thats probably cheapest
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Old 05-06-2013, 09:56 PM   #7
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I bought a Johnson controller.... Now I regret it. I'll sell you my analog one cheap, so that I can build myself another one of these:
http://www.homebrewtalk.com/f51/ebay...-build-163849/

I built it and loved it, total price was around $35, digital does heating and cooling, and will keep it within .1 degrees celcius.

The only problem is that ... its in celcius, which is not really that big of a problem

(Note: I regret the price of the Johnson controller, because it was expensive and for the price of it, I felt that it was lacking. Also being able to do both hot and cold is nice, but it doesn't provide that)

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Old 05-06-2013, 11:14 PM   #8
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I went the STC-1000 route. I am very satisfied with the results so far. It has hit and remained at whatever temp I have selected during the testing phase and it is fermenting a 5 gallon batch at 58 Degrees right now. Dont know about the freezer.frtidge spilt though because they use a common refrigerant system and compressor so the differential wont be very large if any.

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Old 05-06-2013, 11:24 PM   #9
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Quote:
Originally Posted by Brewmex41 View Post
Ok I'll shop around. Thanks!
Is it possible to keep the fridge at fermentation temp and the freezer at regular fridge temp, for beers that are ready to drink?
Yes it is.
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Old 05-07-2013, 12:05 AM   #10
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Quote:
Originally Posted by Stix View Post

Yes it is.
With one of these setups?
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