SJE-Rhombus SES Controls Build-A-Panels

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SJE Oil Spotter™

Control and Alarm System for Simplex Elevator Sump Applications

Controls One Single Phase Pump Using a Receptacle For Easy Pump Connection

SJE Oil Spotter™ system is designed to control one pump used to remove water from elevator pits while preventing oil from being pumped into the environment (oil will not be pumped from the tank).  In addition to the easy pump conection via receptacle, it provides alarm notification of potentially threatening water and oil levels in simplex pumping applications.

The system features an innovative Oil Water Switch that senses the difference between oil and water to remove water from the tank, while preventing oil from being pumped into the environment.  The Oil Water Switch features four probes (start level, stop level, high water level, reference) and a mechanical high oil alarm float.

As water and oil enter the tank, the oil rises to create a floating layer on top of the water.  The water level rises to reach the Start Probe, activating the pump to remove water from the tank.  It continues pumping water out of the tank until the water level falls below the Stop Probe, deactivating the pump.  If the water level continues to rise and reaches the High Water Probe, the red high water LED indicator illuminates and auxiliary contacts close (activating an optional Tank Alert® alarm or other remote device).  If the oil level rises to activate the mechanical High Oil Float, the red high oil LED indicator illuminates and auxiliary contacts close (activating an optional Tank Alert® alarm or other remote device).

Common applications include elevator sump basins, transformer vaults, leachate well applications, garages or any application requiring ASME A17.1 compliance.


SJE Oil Spotter™


  • NEMA 1 rated for indoor use
  • Receptacle to accept one 120V, 15A pump plug
  • Factory-installed 10 ft. power cord
  • LED indicators on front of panel door for:
    • High water indicator (red)
    • High oil indicator (red)
    • Pump run indicator (green)
    • Power indicator (green)
  • Factory-installed Oil Water Switch
    • High oil float (mechanical)
    • High water probe
    • Start probe (5" pumping range)
    • Stop probe
    • Reference probe (ground)
  • Auxiliary contacts for remote alarm (high water and high oil), auto dialer or building automation system
  • Plug and play - no wiring for easy installation
  • 230V models available

SJE Oil Spotter™ System Diagram

UL/cUL Listed, ASME A17.1 Compliant

Five-Year Limited Warranty



SJE Oil Spotter™


8 x 8 x 4 inches (20.32 x 20.32 x 10.16 cm)
NEMA 1 rated for indoor use

120 VAC
230 VAC

120 VAC NEMA type 5-15

230 VAC NEMA type 6-15

15 amps

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