Johnson Controls A19BBC-2 SPDT Coiled Bulb Thermostat W/Adjustable Differential -30°F/100°F

The Johnson Controls A19BBC-2 Coiled Bulb Thermostat is used for heating or cooling applications in HVAC systems. It has a coiled bulb sensor with a temperature range of -30°F to 100°F and the switch type is SPDT which provides the control through the adjustable differential. This thermostat does not need an external power source and is equipped with liquid-filled temperature-sensing bulb. It is widely used in refrigeration units, greenhouses, and industrial equipment, ensuring stable operation due to the temperature settings.