Herga Air Switch [4 Function] [3PDT] [20A] [Ctr Spout] [Wht Cam] (59-345-3120)

Air Switches
Herga Electric
59-345-3120
59-345-3120
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An air switch helps translate pneumatic activation into electrical control changes in a compatible system, and this Herga Electric version is a 4-function 3PDT model rated at 20 amps with a center spout and white-cam configuration using the 59-345-3120 reference. Switches like this are useful because they support multi-function control without requiring direct electrical switching at the user button location.

This part has practical value because the center-spout and white-cam details help preserve the original connection style and function sequencing of the equipment. A properly selected Herga switch contributes to more dependable control behavior and a more accurate repair result.

This type of part is especially useful when the original switch has stopped advancing through its functions correctly or no longer responds reliably to the pneumatic signal. That helps restore the intended control logic with a direct-fit replacement.

Installed in the proper application, this air switch helps support dependable multi-function control and more confident ongoing system operation.

  • 4-function 3PDT air switch from Herga Electric
  • Rated at 20 amps with center-spout and white-cam configuration
  • Helps convert pneumatic input into compatible multi-function switching behavior
  • Useful when replacing a failed original air switch
  • Improves control reliability and replacement accuracy
Herga Electric – Switches, Pressure Sensors and Control Components for Pool & Spa Systems
Who is Herga Electric?

Herga Electric is a global manufacturer of switching and sensing solutions, with a legacy dating back to 1947. Known for precision engineering and reliability, Herga produces components used in a wide range of industries, including pool and spa equipment applications. Their products are designed to control system functions, monitor pressure, and ensure safe, responsive operation in electrical and water systems.

What products does Herga Electric specialize in?

Herga Electric specializes in pressure switches, air switches, footswitches, hand controls, and sensing devices. Their product lineup includes components used to activate pumps, control airflow, and regulate system functions in spa and bath environments. These devices are essential for managing user controls and maintaining safe system operation.

Why choose Herga Electric parts for your pool or spa?

Herga products are known for accuracy, durability, and dependable performance in demanding environments. Their switches and sensors are engineered to deliver precise control and long-lasting reliability, even with frequent use. Professionals choose Herga for trusted components that help ensure safe operation and consistent system performance.

How do you identify and choose the correct Herga Electric part?

To select the correct Herga component, it’s important to match specifications such as pressure rating, switch type, connection configuration, and system compatibility. Reviewing part numbers and application requirements ensures proper fit and functionality. Choosing the right component helps maintain safe control and efficient system operation.

Need help finding the right Herga Electric part?

At Bath & Spa Parts Online, we carry a wide selection of Herga Electric pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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