Old Air Products Binary Pressure Safety Switch protects the A/C system from excessive high or low system pressures than can damage the system componants. Includes: female binary pressure switch, wire harness with rubber boot, male & female electrical connectors and brass service por

Old Air Products Binary Pressure Safety Switch protects the A/C system from excessive high or low system pressures than can damage the system componants. Includes: female binary pressure switch, wire harness with rubber boot, male & female electrical connectors. Pressure Switch Sp

Low Pressure A/C Safety Switch for GM Applications Protects A/C system from excessive low pressures. Made in the USA!