The Tecmark latching air switch in DPDT format is designed for compatible pneumatic control systems that require a double-pole maintained-state switching response. Latching air switches are useful because they change and hold state after actuation, making them well suited for systems that do not rely on continuous finger pressure.This replacement is especially useful when the original switch no longer latches correctly, has become intermittent, or has failed internally. Matching the proper DPDT format helps preserve the original control logic of the application instead of changing how the system behaves.It is a practical service part when restoring dependable maintained-state air switching is part of a correct repair. Tecmark latching air switch in DPDT format 25 amp rated for compatible pneumatic control systems Helps restore maintained-state switching behavior Useful when the original switch no longer latches correctly Supports more dependable control response after service