The A.J. Antunes 8021206255 SMD Pressure Switch is a versatile and reliable component for monitoring and controlling pressure in HVAC and industrial systems. With an adjustable range of 0.17 to 12 inches water column (WC) and a maximum surge pressure of 20 inches WC, it ensures accurate performance under varying conditions. https://www.partshnc.com/8021206255-aj-antunes-smd-17-12-wc-swtch-maxsurg20-