Check the listing for details. Binary Pressure Safety Switch w/Port Adapter [24-0102]. Condition: New. Listed at 38.50 USD. Old Air Products Binary Pressure Safety Switch [24-0102]Protects the A/C system from excessive high or low system pressures than can damage the system components.Includes: female binary pressure switch, wire harness with rubber boot, male & female electrical connectors and brass service port adapter. Pressure Switch SpecificationsLow - Off 28 PSIGLow - On 29 PSIGHigh - Off 454 PSIGHigh - On 369 PSIGMade in the USA!!! Old Air Products has been in business since 1989. We strive to provide quality parts and unsurpassed customer service. Our company specializes in complete aftermarket A/C and Heater Systems and Factory Replacement A/C & Heater Parts for Antique, Classic, and Custom Vehicles. We have many NOS & NORS parts in stock including Heater Valves, Receiver/Driers, Cables, update kits for STV & POA Valves, A/C Hose Assemblies, Vacuum Valves and Electrical Switches. If you have any questions about this item please contact our sales/technical support department or for our other A/C & Heater systems and parts available for antique and classic vehicles.