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Supplier Introduction

At Mercury Displacement Industries they manufacture the Liquid Level Control Float Switch in wide angle and narrow angle mechanical or mercury type. A wide variety of liquid level control float switches, avocado & vertical float switches. They supply and manufacture for OEM's, plumbing supply companies, contractors, municipal sewage treatment plants, and control panel specialists and a variety of liquid level control. They also manufacture mercury contactors or mercury relays, tilt switches of several angles and styles, solid state relays and timers. Their Wastewater division has grinder pumps, sewage pumps and several retrofits (E/One, Barnes and ABS to start).


Mercury Relays, Solid State Relays and Tilt Switches


  • Mercury Relays ratings up to 100 AMPS
  • Up to 4 pole configurations
  • Mercury Relays, best relays for resistive heater loads
  • Coil voltages up to 600 volts
  • Hermetically sealed Hg contacts
  • Suitable for resistive, capacitive and inductive loads
  • Solid State Relays up to 100 AMPS
  • Midi Relays (IEC Contactors) up to 210 AMPS
  • Various size and up to 20 AMPS rated tilt switches
  • Many other solid state relay and switch options available


Manufacturer of Liquid Level Control Float Switches


  • Liquid level control ratings up to 2 HP or 25 AMP
  • High Impact Polystyrene, ABS or Polycarbonate ABS (up to 221°F)
  • Any cord length available for our liquid level controls. UL Max. 99'
  • Termination options 120 and 240 VAC piggybacks plugs, barrel plug, or standard skive
  • External weights or internally weighted liquid level control float switches
  • Avocado double float switch (Up to 15 AMPS and 2 HP)
  • Vertical switch Up to 15 AMPS & 2 HP
  • Avocado float, standard float and mini floats liquid
  • Many other options and Various Colors available


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