Water & Waste Water 

Control Systems

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P.O. Box 318, Towanda, IL 61776 | 815-315-3851

Reliable and durable, STELTEC's ORP and pH sensors ensure stable and dependable operation of your controller.  Sensors may be configured for either submersion or inline installations.  

ORP and pH Sensors

Sensors & Accessories

STELTEC also carries:


  • Sensor Wash Systems which integrate fully into HL Series Controllers
  • Sensor Clean Solution
  • Buffer Solution for sensor calibration
Other Accessories