Customer Comments

Bill just wanted to let you know the two Waterline controls we have purchased are working flawlessly. Saving us water and providing much improvement over any system that has been in place in the past. Thanks Steve T Property Operations Director Hilton Hotel

Video Gallery

Where to Buy


P.O. Box 12544 Scottsdale, AZ 85260
Toll Free:
1 (888) 905-1892
1 (480)-220-1616

Never Replace Water Level Controls, Liquid Level Sensors, or Float Switches again!

After more than 20 years revolutionizing the recreational water industry with our low-maintenance water level controles and supremely accurate liquid level sensors and level switches, Waterline Controls is now applying its design knowledge, manufacturing experience and customer service expertise to the electronic level switch for commercial and industrial applications like Boiler Installations, Fire Protection Tanks, Cooling Tower Basins, Sump Areas and Well Water Tanks where water level management is critical. The Waterline Controls units come as kits with electronic water level controls, sensor and mounting assemblies and they can be customized to fit your specific needs.
Our modular liquid level sensors guarantee trouble-free level control. These water level controls will eliminate the hassle and frustration normally associated with existing float switches, ultrasonic or other electric level controls by an OEM. And, all of our models are backed by a 100% Satisfaction Guarantee - IF IT DOESN"T WORK WE WILL TAKE IT BACK - PERIOD…
The liquid level sensors we use completely eliminate the chance of injury due to electrical shock during installation or maintenance, they are Listed to UL508 Standard by ETL. The water level sensor we use, unlike a great deal of our competitors, was designed for use in water, resulting in no need for calibration. All the components of our liquid level controls and liquid level sensors, are assembled right here in the U.S.A., where we monitor every step of the manufacturing process. That gives us the confidence to guarantee your satisfaction. Check out the difference between our level sensor and the float switch. Once you experience the accuracy and reliability of our water level sensor and control unit in the field, you'll be convinced that their easy installation, superior performance and long-term durability compared to float switches make them the right choice for any situation. We guarantee it! See our Lifetime Limited Warranty.

Here is the list of the most popular water level applications:

Boiler Water Level Controls
Fire Holding Tanks
Cooling Towers
Wastewater Treatment Plants
Water Surge Tanks
Well Water Holding Tanks
You can use the Application Matrix to find which product fits your application best

The categories listed above are but a few of the ways our water level controllers can be used. Virtually any industry will have to store significant volumes of water for either their production operations or various plant management systems. Many of those industries are using seriously out-dated technology and making due with components that are expensive and difficult to maintain. What Waterline Controls offers you is a complete, simple, and reliable solid state electronic level control system, following a modular design that allows for easy maintenance, while insuring that all your components will happily work together. When you start mixing components from third party manufacturers, a float switch here, an extra level switch, with yet another manufacturers liquid level sensors, mysterious problems have a habit of cropping up. Save yourself a huge headache, and go with the complete system that has a 100% guarantee, backed by over 20 years of experience in the field.

Waterline Controlers

Features & Benefits

Waterline Controls' industrial-strength electronic water level controllers guarantee trouble-free water level management. These units will eliminate the hassle and frustration normally associated with existing electronic...

Learn more