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Old 12-23-2008, 02:37 AM   #1
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Default about using a freezer for fermenting ales ????

Hello I have a A19 digital johnson temp controller now my ? is I also have a freezer an I am wounding if I can use my controller to ferment ale's without changeing the jumper around to heating mode. Right now I have my controller set to cool so can I leave it at that an still ferment ale's ?????????

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Old 12-23-2008, 03:25 AM   #2
The Pol
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Yeah, as long as you want to COOL the beer to fermentation temp. I have the A419 as well. As long as what you are switching is less than 16A... you can switch cooling or heating with it.

Why not switch jumpers?

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Old 12-23-2008, 03:47 AM   #3
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if you want it warmer in there put a lightbulkb inside a coffe can and plug it into your controller.
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