Technology Talk: Little Giant’s Condensate Overflow Switches


Want an easy to install condensate overflow switch that has a compact design and complies with all applicable building codes? Consider Little Giant’s ACS-2 & 3 Condensate overflow switches!

The ACS-2 & 3 Condensate Overflow Switches mount right into an air conditioner drain pan to shut off the unit if the condensate level approaches overflow. This method makes them easy to install, inspect, and maintain. They can also be installed to activate audible or visual alarm circuitry. Featuring ABS housing and float, the ACS-2& 3 complies with all applicable building codes making them an easy choice for your next job!


  • Cord Length: 72″
  • Shut Off: 0
  • Voltage: 48VAC/DC
  • Amps: 5
  • Weight: 0.29
  • Height: 3
  • Width: 1.34
  • Length: 4.55


  • Easy to install, inspect and maintain
  • Compact design mounts to side of A/C condensate drain pans
  • Detects high condensate levels in drain pans and shuts off the system
  • Can be installed to activate audible or visual alarm circuitry
  • UR/cCSA listed complies with applicable building codes


  • ACS-2 — 48 VAC/VDC max, 5 amps max
  • ACS-3 — 125-250 VAC max, 11 amps max, up to 1/3 HP

Lead wires:

  • ACS-2 — 18″ and 72″ leads
  • ACS-3 — 72″ leads


Interested in Little Giant’s ACS-2 & 3 Condensate overflow switches? Contact Tower Equipments Professionals today for pricing, information, or with any questions you may have at:


Tower Equipment

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