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Guardian GMS S2 Control Box

Guardian GMS S2 Control Box

  • $218.20
  • or

Guardian GMS S2 Control Box (S230837)

From now until July 31, enjoy a 10% discount on all Guardian GMS products or packages!

The S2 Control Box is perfect for farming and agricultural use! This WiFi operated Relay Switch gives you the convenience of remote control over grain bin fans, augers, livestock fans, and more. It’s easy to set up and use – simply enter in the required parameters and then you can sit back and relax while this control box does the work for you. Enjoy the convenience of controlling your agricultural equipment remotely with the S2-Control Box!

This unit comes with a large color display for easy viewing and a rotary switch for easy identification of the parameters. It also includes a temperature sensor so you can monitor the temperature of the environment remotely. It is also equipped with a built-in siren to alert you of any potential danger.

The S2 Control Box is designed for outdoor applications and is waterproof, dustproof, and resistant to shock and vibration. It is compatible with both 12v and 24v batteries, making it easy to use with any power source. All of the components are well-constructed, making this device one of the most reliable and durable on the market.

This product is a must-have for anyone looking to remotely control grain bin fans, augers, livestock fans, and any other devices that require a WiFi operated relay switch. With its user-friendly interface, robust construction, and reliable performance, the S2 Control Box is the perfect solution for anyone with a need to control their connected devices.

Make Your Farm More Efficient

As a farmer, you understand the importance of making sure your crops are safe and secure. From storage to transport, the proper management of your grain bin is essential for the success of your farming business. That’s why our grain bin management services can help you make sure you’re getting the most out of your grain bin investments. With our grain bin management services, you can make sure your bins are running at their peak efficiency and protecting your grain from the elements. Get in touch today to learn more about how our services can help you make the most of your grain bin investments.

We try our best to ship orders in the timeliest manner possible. Each product may have a different level of manufacturing demand and timeframe for shipment.

Shipping Rates

We offer calculated shipping rates during the checkout process. USPS, UPS & FedEx services are available if the product ordered qualifies for those options.

Order Processing

Business Days: Monday-Thursday.
Holidays, Fridays, Saturdays and Sundays are not included in processing days.

If you have any questions or concerns about your order's status, please email us at to discuss.

International Orders

Customers are responsible for any brokerage fees incurred on shipping. Sioux Steel Company cannot calculate these fees.


Products on this website do not qualify for returns. We understand this may cause you concern....

We are here to help!

Our customer service team is available Monday-Friday, 8am to 5pm CST to discuss the parts in question PRIOR to placing your order.

Call us toll free at 1-800-557-4689 to talk and confirm your parts needed.

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Dealer Locator
We distribute products through local dealerships in your area. Prices and product availability may vary between dealerships.

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NOTE: All product specifications are subject to change or improvement without notice. We reserve the right to change product pricing at any time without further notice. Pricing may differ at the time of purchase.

Contact Sioux Steel by emailing or by calling our customer service specialists at 1-800-557-4689 for additional information.

SIOUX STEEL COMPANY FOUNDATION: 2% of the total sales dollars from this website are donated to the Leukemia and Lymphoma Society. Beating cancer is in our blood.

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