Johnson Controls A19ADB-39 Temperature Control 100/240°F, 20" Cap,Open-High Manual Reset

The Johnson Controls A19ADB-39 is a remote bulb temperature control device used in HVAC systems. It acts as a thermostat by sensing temperature and turning on or off heating or cooling equipment to maintain a desired temperature setting. The A19ADB-39 has a wide temperature range of 100°F to 240°F, making it suitable for various applications like industrial heating and cooling processes. The remote bulb, which is connected to the control by a 20" capillary tube, is placed in the area where temperature needs to be regulated. The control unit houses a temperature sensor that detects the temperature from the remote bulb. Once the temperature deviates from the set point, the control unit triggers the connected HVAC equipment to turn on or off until the desired temperature is reached. Overall, the Johnson Controls A19ADB-39 is a versatile temperature control solution for various HVAC applications, providing precise temperature control, improved comfort, and energy savings.