UL Certification

Oil Smart® High Liquid Alarm OSA-06

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Oil Smart® High Liquid Alarm OSA-06

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Pumps Water Only, Will Not Pump Hydrocarbons

The OSA-06 is an Oil Smart® alarm designed for outdoor applications. The alarm is housed in an indoor/outdoor NEMA 4X rated enclosure convenient for hardwiring. This alarm is also compliant with Elevator Code ASME A17.1 and state/federal regulations.



  • CSA, UL Listed for the United States and Canada
  • Allows for detection of a leak or liquid level at any predetermined level
  • Includes Liquid Smart® alarm sensor
  • Sensor differentiates between oil and water
  • Alarm has unique ability to indicate if oil or water is present
  • Accessible terminal block for dry contacts


  • Elevator
  • Electric utilities (substations, power plants, underground vaults and transformer barriers)
  • Industrial sump or marine application
  • Oil storage tank
  • Inner liner monitoring or between walls of a storage tank, tank gauging
  • Any place that there may be a water or oil leak or high liquid condition

Why Oil Smart?

    Capacitive Technology:

  • The Oil Smart® system uses capacitive sensors that are factory-calibrated for immediate operation to differentiate between oil and water. In contrast to conductive sensors, capacitive sensors are insulated by oil and do not require ongoing maintenance.
  • No Moving Parts:

  • Unlike other systems that utilize error prone floats as their primary oil and water sensors, Oil Smart® technology uses reliable solid-state sensors that do not require any moving parts. In addition, See Water’s Oil Smart® sensors have been third-party factory-tested for over 1 million cycles.
  • Adjustable Alarm:

  • The Liquid Smart® Alarm Sensor can be placed at any predetermined level. Every application is different and the adjustable alarm allows the sensor to be placed at the actual high liquid level which ensures that nuisance alarms do not occur.
  • Adaptable to Any Pump:

  • Not all jobs or applications are equal, which is why Oil Smart® technology allows for the flexibility of being paired with any submersible pump.
  • Easy Installation:

  • Our capacitive technology allows for hand testing of the sensors, whereas conductive technology requires more steps to test when the system is installed.
  • We offer the only true plug-and-play system in the industry. The Oil Smart® Plug-and-Play System (OSS-100) is the easiest elevator sump pump system to install on the market. With over 25 years of proven field results, Oil Smart® is the preferred solution by environmental specialists and engineers for preventing catastrophic oil spills.
Get in Touch: 888.733.9283