Air Switch, TBS-301 SPDT Latching 25A – Tecmark

The Tecmark TBS-301 SPDT Latching Air Switch is a rugged, remote-control switch designed for spa pumps, hydromassage baths, and other bath and pool equipment. Built for OEMs and professional installers, it delivers dependable on/off control with durable construction that stands up to wet, humid spa environments.

• Configuration: SPDT, latching (alternate action) air switch for maintained on/off control of spa equipment.
• Electrical rating: Up to 25A at 240 VAC, suitable for typical spa loads such as pumps and blowers.
• Air connection: 1/8" barb air tube connection for standard tubing, enabling reliable remote actuation.
• Mounting options: Through-panel or surface mounting for flexible integration in control enclosures or spa consoles.
• Construction: Durable thermoplastic housing with a silicone diaphragm, designed for long life in damp environments. UL Recognized and built for consistent performance.
• Operating range: Wide temperature tolerance from -40°F to 180°F (-40°C to 82°C) with proven reliability over 100,000+ cycles.
• Brand and quality: Tecmark, an established OEM specialist in air/pressure switches, emphasizes quality with ISO 9001:2015 certification for its manufacturing processes.
• Compatibility notes: Designed to work with standard spa and bath pump configurations, making it a common replacement part in spa maintenance and installations.

The TBS-301’s latching SPDT action provides reliable, maintenance-friendly control for bath and spa systems. Its robust 25A, 240 VAC rating handles common pump and blower loads, while the 1/8" air connection and 9/16" mounting footprint simplify retrofits and new builds alike. With a silicone diaphragm and protective thermoplastic housing, this switch is built to endure humid, high-heat environments typical of hydrotherapy baths, giving technicians a trusted, long-lasting solution for spa parts and replacements.