A Better Float Switch Option for Commercial and Industrial Water Systems
Frequency-based level sensing with no floats and no moving parts, for cooling tower fill, pump-down and fire protection tanks.
Call 480-905-1892- Works in any water quality, including scale-prone and chemically treated water
- Documented 15-year service life and 99% uptime
- For new installations or as a direct replacement
- Based in Scottsdale, Arizona, since 2008
Browse controllers by application
Built for the engineer, the installer and the facility team
For specifying engineers
- Specify by model number for cooling tower fill, pump-down and fire protection tank applications.
- Frequency-based sensing passes no current through the water, so scale and fouling do not degrade the signal.
- Not sure which model fits? Send us the application and our team will recommend one.
For service technicians and installers
- Fits new installations or replaces an existing float switch.
- Connects to the building management system (BMS/BAS).
- Stainless steel probes with no moving parts.
- Technical support by phone from our team in Scottsdale, Arizona: 480-905-1892.
For facility managers and owners
- LED indicator lights show the status of each function, and Press to Test runs a full test cycle with one button.
- Built-in power failure and high and low level alarms, with BMS connections for around-the-clock monitoring.
- Standard models and custom configurations. For an unusual application, email info@waterlinecontrols.com.
Need more information?
Call 480-905-1892 or email info@waterlinecontrols.com.
- Pre-Installation Guide, WLC Models 3000 to 9500 (PDF): sensor and control panel installation instructions.
- Request pricing: pricing for your application from our team.
PROUDLY MADE IN THE U.S.A. 
All 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 process.
NOT SURE WHAT YOU NEED? CALL 480-905-1892 AND TALK TO OUR TEAM.



