The Inkbird dual stage temperature controller is an easy to use and economical controller that is perfect for home brewing. Control both heating and cooling, and set independent differentials for each to keep the exact temperature you need.
The Inkbird controller performs many of the same functions as the Ranco or Johnson but at a more affordable price, making it a great alternative for temperature control.
It will handle 15 amps or 1725 watts at 115 volts AC.