THE SPI PROMISE Taking Care of the Customer Is #1

We’ve built our products with the septic system installer in mind—parts that are clean, simple, and functional. We produce a hardwired panel with replaceable components, custom built to include everything you need.

Troubleshooting Resources

When your customer has issues with their septic system, we’re here to help you troubleshoot with quick and clear resources for resolving issues with control panels, high water alarms, and float switches.

More Products Available Faster

We reinvest in our inventory and stock hundreds of panels and floats already built so that they’re ready when you need them.

Most Complete Line of Product

There are smaller competitors out there that have one or two of the ten categories you need. We have the most complete line of alarms, floats, and controls. We are your solution.

Catalog Orders Shipped in 24 Hours

Our off-the-shelf products ship within 24 hours. We’ll work with you to talk through custom order requests.

Fast Turnaround and Quick Quoting

When you need a quote, reach out. We’ll provide you a quote quickly so you know what you need to get your project done.

SPI has been providing installers, distributors, and OEM on-site manufacturers and wholesalers with innovative products and services since 2003. We combine the personalized attention of a family business with the professionalism and expertise of a larger company, delivering what you need without the wait.

Warranty Policy

SPI warrants to the original consumer that this product shall be free of manufacturing defects and workmanship for a period of three years after the date of consumer purchase for all mechanical and mercury float switches, and two years after the date of consumer purchase for all other items. During the specified time period and subject to the conditions set forth by SPI, products will be repaired or replaced, for the original consumer, any part that proves to be defective due to defective materials or improper manufacturing.

SPI shall not be liable under this warranty if any of its products have not been properly installed; damage from lightning or severe weather; if it has been disassembled, modified, abused or tampered with; if the electrical cord has been cut or spliced; or if the name plate or tag has been removed.

The consumer shall take responsibility and assume full expense for removal, reinstallation, and freight. All items to be replaced under this warranty must be returned to SPI, or such place as designated by SPI. All warranties shall be void if the installation or service of products is performed by anyone other than a licensed electrician. To return a product for warranty, please contact SPI at 419-282-5933 to obtain a return material authorization (RMA) number and a Return Goods Authorization Form (RGA).

SPI - Model 50B138-A-AV-PT - Spray Timer Control Panel - Brochure