I have been looking around for some thermostats. I plan to build a rack soon and want a thermostat per shelf. Sadly, it would appear that no one has considered that it might be a good idea to sell a 120v unit with, say, 6 probes and an independent output for each... but I digress.
I came across this particular unit and was wondering if anyone has used it.
http://www.amazon.com/gp/aw/d/B00OXP...KQL&ref=plSrch
If I didn't link the correct one then they do sell 120vAC versions (in addition to 12vDC and 240vAC). And they can be purchased for around $12 with free shipping (again, maybe not the one I linked). You could wire a pair in series, with the second unit set 2-3 degrees higher than the first, and have a $25 controller with backup. At that cost you'd be replicating features of units 3 or 4 times the cost and for $100 you could have a 4 zone controller (with the only similar unit I've ever seen at around $300 and lacking a two control backup).
I know that thermostats are a terrible thing to cheap out on but not all inexpensive things are cheap and not all expensive things aren't cheap. I'd be shocked if the guts from the $12 unit didn't come from the same factories as the $100 units. So, any experiences? Thoughts?
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