Johnson Controls A40EA-1 Pneumatic Temperature Switch 15°-55°F Coil Bulb 20" Open-Low

The Johnson Controls A40EA-1 is an air switch that is applied for controlling the HVAC system temperature controls. It uses a 20” coil bulb which is sensitive to temperature fluctuations. When the temperature range is between 15°F and 55°F, the switch occurs to allow or block system components to regulate climate. This device is essentialin managing energy use and comfort by regulating the amounts of heating and cooling equipment according to the required temperatures. Its use is applicable in different types of HVAC systems where temperature control is essentialin commercial and industrial premises.