Tecmark Air Switch [TBS304 SPNO 10A Momentary] (TBS304A) is a Tecmark air switch for compatible pneumatic control systems used in spa, bath, pool, and equipment applications. Air switches respond to pressure from an air button and convert that signal into electrical switching for supported devices.This momentary switch is useful when a pump, blower, light, or other controlled device no longer responds correctly to the air button. Because switch ratings and contact configurations vary, confirm amperage, pole/throw configuration, terminal style, and operating action before replacement. Tecmark pneumatic air switch replacement Designed for compatible air-button control systems Supports equipment activation through air pressure signaling Momentary operation for matching control requirements Verify electrical rating and switch configuration before installation
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