Johnson Controls A40FA-1 Manual Reset Pneumatic Temperature Control Open Low 15°-55°F

The Johnson Controls A40FA-1 is a Pneumatic Temperature Control which is an accurate device for controlling temperature in HVAC systems. This works by employing a responsive thermal bulb to measure changes in the temperature of the surrounding environment. The bulb either gets larger or smaller depending on the temperatures exerted on it. This control system is reliable and safe because it requires a manual reset after a trip condition has been met. The cold category ranges from 15°F to 55 ° F, but it can be used in the regions that need high accuracy with low and high temperatures, for commercial and industrial applications. Its sturdy construction and small size allow it to endure temperatures as high as 140°F, guaranteeing endurance in a variety of climatic settings.