Johnson Controls A28KA-1C : Two-Stage Industrial Thermostat, 0 to 150 Deg F (-15 to 65 C), Fixed Differential 5 Deg F (2.8 C) Each Stage, Fixed Differential 3 Deg F (1.7 C) Between Stages, 10'Capillary, 2x SPDT, Weather Resistant Gasketed Enclosure, 3/10 x 2-1/2" NeopBulb, 1HP