The Tecmark latching air switch in SPDT format is designed for compatible pneumatic control systems that require single-pole maintained-state switching. Latching switches are useful because they toggle the operating condition with a brief actuation and hold that state until actuated again.This replacement is especially useful when the original switch no longer toggles properly, has become inconsistent, or fails to hold the intended state. Matching the proper SPDT latching format helps preserve original system behavior without unnecessary changes to control logic.It is a practical maintenance part when dependable latched pneumatic control is part of restoring the system correctly. Tecmark latching air switch in SPDT format 25 amp rated for compatible pneumatic control applications Helps restore maintained-state single-pole switching Useful when the original switch no longer toggles correctly Supports dependable control-system operation after repair