The Senasys PresAir air switch is designed for compatible control applications where momentary air-activated switching is needed. An air switch is useful because it helps translate pneumatic button action into temporary electrical activation, supporting safer control in wet environments and dependable user response.This version is especially useful when the original switch has become inconsistent, unresponsive, or worn out from frequent use. The SPST 21 amp momentary design with 9/16 inch center spout helps preserve intended control behavior and restore dependable switch response.The TVM411B is a practical service part when a compatible pneumatic control system needs dependable momentary switching performance. Senasys PresAir air switch SPST 21A momentary design 9/16 inch center spout configuration Useful when the original switch is failing or nonresponsive Supports cleaner and more dependable pneumatic control
![Senasys Air Switch [PresAir SPST 9/16" Center Spout 21A Momentary] (TVM411B)](https://cdn.shopify.com/s/files/1/1751/9347/files/59-369-1312_XL.jpg?v=1777517494&width=480)
![Senasys Air Switch [PresAir DPDT 9/16" Center Spout 25A Latching] (TVA225B)](https://cdn.shopify.com/s/files/1/1751/9347/files/59-369-1347_XL.jpg?v=1777517491&width=480)
![Senasys Air Switch [PresAir SPDT 9/16" Center Spout 25A Latching] (TVA125B)](https://cdn.shopify.com/s/files/1/1751/9347/files/59-369-1342_XL.jpg?v=1777517494&width=480)
