Johnson Controls T-4002-204 Reverse Acting Vertical Thermostat

The Johnson Controls T-4002-204 Reverse Acting Vertical Thermostat is an accurate device for controlling temperature in HVAC systems. It works in a way that is exactly opposite; when the temperature is high or low, the contacts of the thermistor open or close respectively. It is ideal for use where the required temperature is set due to its accurate climate control, which is due to its temperature range of 55°F to 85°F. This thermostat is designed in a metal casing, and it is guaranteed to last long under different environmental conditions. It is mostly installed in heating, ventilating and air conditioning systems to regulate either heating or cooling based on relative temperature settings.