Review on Johnson Controls A19ABC 24C Single Throw Differential by Victor Olsen

I built my own air conditioned wine cellar a few years ago and this temperature controlled thermostat is a must have. You must also purchase the LUX LV3-1042 Single Pole Line Voltage Only Cooling Thermostat (112V). If you hook them up to the smallest air conditioner, you'll find that one thermostat, LUX, lowers the temperature and the other, JC, prevents the air conditioner from freezing or overcooling.