AGPtek PID Controller - $17.99

List price on this is $39.99.  It's selling for $17.99.  That's a great deal and a record low Amazon price.

AGPtek® 1/16 DIN Digital PID Temperature Controller SNR & Alarm SNR (1 alarm) - $17.99 + $6.95 Shipping

PID Temperature Controllers can be used in conjunction with a relay and a thermocouple to control the your kegerator and fermentation temps.  You can also integrate a PID controller into your brew system to control mash temps.  If you're looking for an easier to use, pre-wired temperature controller, check out of Temp Controller Roundup post.

Also Consider:
STC-1000 Temperature Controller - $24.99 Shipped

Related: Amazon, Temp Control, PID Controllers, Great Deals

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