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Old 07-28-2009, 04:57 PM   #1
OCoolins
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May 2009
Danvers, Ma
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where should i go to get a fridge temp controller, the cheapest Ive found is Midwest Brew Supplies for $55. Any suggestions? Thanks

 
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Old 07-28-2009, 05:01 PM   #2
chefchris
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Jul 2008
Gainesville, Florida
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There or ebay. I got both of mine from them, cheapest I found.
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Old 07-28-2009, 06:14 PM   #3
OMJ
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May 2009
Camp Hill, PA
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I have seen the analog johnson a19 on ebay for $30 shipped many times

 
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Old 07-28-2009, 06:35 PM   #4
WorryWort
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Nov 2008
Vancouver, BC
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If you can get something like the johnson a419 for $55 at midewest that is a great deal.
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Old 07-28-2009, 07:33 PM   #5
OCoolins
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May 2009
Danvers, Ma
Posts: 16

thanks everyone I think the A19ABC-24C is the way to go, need to do a litle wiring but should be very straight forward. I found a link on how to wire it just like a 419a, Wiring Johnson A19 Temperature Controller (A19ABA-40C) - Lustreking Brewing

 
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Old 07-28-2009, 09:58 PM   #6
Jsamp
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Jul 2009
WV
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Would one of those round dimmer switches for lighting work? I know you have to have a little trial and error with a thermometer but once you found the sweet spot you could mark it on the dial so you know where to always turn it. I have a portable refrigerator and all the stuff to follow that guide without spending money. Just curious because I'm assuming all your changing is the voltage levels to the appliance.

 
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Old 07-28-2009, 10:36 PM   #7
taylornate
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Jan 2009
Springfield, IL
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Quote:
Originally Posted by Jsamp View Post
Would one of those round dimmer switches for lighting work? I know you have to have a little trial and error with a thermometer but once you found the sweet spot you could mark it on the dial so you know where to always turn it. I have a portable refrigerator and all the stuff to follow that guide without spending money. Just curious because I'm assuming all your changing is the voltage levels to the appliance.
If it is a peltier-based cooler that plugs into the wall, it might work, but no guarantee here. Otherwise, it will not and you could end up destroying the compressor. These thermostats do not vary the voltage, rather they turn the appliance on and off. A dimmer switch also does not vary the voltage, rather it turns the power off and on 60 or 120 times per second.

 
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Old 07-28-2009, 11:11 PM   #8
Catt22
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Jan 2009
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Quote:
Originally Posted by taylornate View Post
If it is a peltier-based cooler that plugs into the wall, it might work, but no guarantee here. Otherwise, it will not and you could end up destroying the compressor. These thermostats do not vary the voltage, rather they turn the appliance on and off. A dimmer switch also does not vary the voltage, rather it turns the power off and on 60 or 120 times per second.
+1 Right! Don't try using a dimmer switch. It will overheat the motor and cause it to fail Spring for the Johnson analog controller. They are not that expensive and last a very long time. I have four of them in use at the moment and one A419 digital. I realy like the A419 digital. It's worth the extra $20 or so if you can afford it.

 
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Old 07-28-2009, 11:23 PM   #9
Jsamp
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Jul 2009
WV
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Well thanks for the replies guys. I was just trying to be cheap lol. I will end up getting one of these someday so i dont have to monitor the fermentor all the time.

 
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Old 07-28-2009, 11:30 PM   #10
babalu87
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Feb 2008
Middleborough, MA
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Craigslist = CHEAP, sometimes FREE

 
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