Johnson Controls A72AE-1 DPST Open Low-Outdoor Temperature Control 25°F- 90°F 6' Capillary

The Johnson Controls A72AE-1 is a double pole, single throw pressure control switch for outdoor HVAC applications. It checks pressure in a system and switches on or off a piece of equipment if pressure rises or drops to a given level. It sits in temperatures between 25 and rarely goes above 90°F and is designed to withstand all sorts of conditions. This switch is commonly used in air handling units, rooftop units and furnaces. It aids to regulate the right system pressures through actions such as on fan operation or extinction of burners. This makes sure that there wont be interference with the normal operations and also the equipment is not damaged due to pressure changes.