Oil Smart® Switch - Oil Water Switch - Oil Smart® Pump Switch

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Oil Smart® Pump Switch

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Oil Smart® Pump Switch
Typical Application: Oil Smart® Pump Switch
oil smart logo

Pumps Water Only, Will Not Pump Hydrocarbons


The Oil Smart® Pump Switch, when combined with a non-auto sump pump, will allow water to be pumped without the risk of pumping oil. This product is ideal for elevator sumps, transformer containment areas and underground utility vaults. Since 1995, the Oil Smart® pump switch has been the reliable choice for safely pumping water.


Model Volts Full Load Amps Assembly Pumping Range
OSS20R6 120 60Hz. 0-9.8 FLA Bare Leads 6″
OSS20PBPR6 120 60Hz. 0-16.0 FLA Piggyback Plug 6″
OSS20R6E 230 50/60Hz. 0-9.8 FLA Bare Leads 6″
OSS20R6DC 12/24VDC N/A Bare Leads 6″

Add Pump Portal® remote pump monitoring to this control panel!     LEARN MORE


  • Directly controls sump pumps 0 to 1 hp or 16FLA (piggyback): Quick installation
  • Available in 120 VAC, 230 VAC 50/60 Hz., or 12/24 VDC
  • No expensive electrical panel required
  • Sensors differentiate between oil and water
  • Differential between on and off is 6” (Pumping Range)
  • Available as hardwire or piggyback plug configuration
  • Helps satisfy Elevator Code ASME A17.1 and the EPA’s Spill Prevention, Control and Countermeasure Plan


  • Elevator sumps
  • Transformer containment areas
  • Underground utility vaults
  • Any application where there is a need to remove water while containing oil

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.
  • Addaptable 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.

Custom Options

  • 12 = Custom 12 AWG option (available in OSS20R6 and OSS20R6E).
    Example: OSS20R6-12 = 12 AWG wire
  • C = Custom cord length (available in OSS20R6, OSS20R6E and OSS20R6DC).
    Example: OSS20R6-C50 = 50’ cord length
Get in Touch: 888.733.9283