Starting at $208.00
  • Usually ships in 2-3 weeks


  • Solid State Reliability
  • Contact Design: 1 N.O. & 1 N.C. (1 form C) extra function
  • Contact Rating (120, 240 VAC) 10 amp Resistive 1/3 hp
  • Mode of Operation: H/L Direct/Inverse, LLCO – factory set
  • Spade Terminals for Easy Wiring
  • Compact Size
  • Meets CSD1 Requirements
  • AC Current Minimizes Electrolysis
  • Approvals: UL 508 File # E44426, UL 353 File # MP1430

The Gems Series DF is a dual function liquid level control designed to control two independent level functions, one single-level control operation and one differential-level operation. Featuring an open board design with NEMA 1 or NEMA 4 enclosures available, the Series DF meets CSD1 requirements while offering a range of options to fit a variety of applications including boilers, food service equipment, and chemical delivery systems.

The Series DF offers solid state reliability and utilizes a 1 N.O. & 1 N.C. (1 form C) contact design. The factory set sensitivity can range from 0 to 100K ohms. The time delay can be factory set for any value up to 90 seconds for both increasing and decreasing levels.

Applications for the Gems Series DF Liquid Level Control:

  • Dual Function
  • Single-Level Service
  • Differential Service
  • Feedwater Control / Low-Water Cutoff
  • High Level / Low Level
  • Pump Down / High Level