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Long story short, my temp controller spazzed out overnight, causing my freezer to run for hours and hours and, well, lots of exploding bottles. Something weird with the sensor wire, I think. It was reading 14C, but then I nudged it and it quickly dropped down to about 2C.

So now I'm in need of either a better temp controller or a temp alarm of some sort, or both.

I've done some searching for alarms, but everything I've seen so far doesn't really have the range I want, or includes monitors for all sorts of other things I don't need. Is this something that could be easily built? Any thoughts on dependable controllers?

Dave sells controllers with high and low temp alarms.
http://www.everwoodavebrewshop.com/prod ... tc-308.htm

looks like he's out of stock...maybe shoot him a message

I think that's exactly what I need. Danke!