The Senasys PresAir air switch is designed for compatible control applications where latching air-activated switching is needed. An air switch is useful because it allows remote pneumatic actuation of electrical equipment, supporting safer control in wet environments and dependable day-to-day system use.This version is especially useful when the original switch is no longer changing state reliably or has become worn from repeated use. The SPDT 25 amp latching design with 9/16 inch center spout helps maintain intended compatibility and restore stable switching performance.The TVA125B is a practical service part when a compatible pneumatic control system needs dependable latching air-switch performance. Senasys PresAir air switch SPDT 25A latching design 9/16 inch center spout configuration Useful when the original switch is failing or unreliable Supports cleaner and more dependable pneumatic control