A.J. Antunes 8021202056 SPDT Air Differential Pressure Switch 0.17-1" WC

The A.J. Antunes 8021202056 Air Differential Pressure Switch used to measure pressure variations in HVAC systems. It works within the pressure range of 0.17 to 1”WC and has an SPDT switch to control actions depending on pressure changes. Advantages include the ability to manage the system to achieve its better performance, save energy by avoiding unneeded use, and provide a better environment inside the building by controlling air circulation. It is widely used for filter surveillance, to determine whether the filter is blocked by measuring the pressure drop.