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Little Giant 599123 ACS-2 Condensate Overflow Switch

SKU: 105689

Save 45% · Retail: $18.53

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About the Little Giant 599123

Little Giant 599123 ACS-2 is an auxiliary condensate overflow safety switch. It is designed to detect clogs or blockages in the condensate drains of air conditioning equipment. It shuts off the equipment to prevent overflow that could lead to flooding. The voltage needed to run this switch is 48 VAC/VDC. This Little Giant 599123 ACS-2 Condensate Overflow Switch can be installed horizontally or vertically in confined spaces. It can also be installed on the safety overflow drain outlet of an A/C equipment or directly at the outlet of the auxiliary/secondary drain pan. This overflow switch can simultaneously be connected to a visual or audible alarm circuit or a BMS/BAS system to trigger a signal to shut off the equipment. It includes 72-inch wire. The Little Giant 599123 ACS-2 Condensate Overflow Switch has dual switch contacts which allows NO and/or NC operation. An additional lead wire will be needed if both circuits are used. This overflow switch complies with applicable building codes. Little Giant has proven their excellence for over 70 years by producing reliable pump solutions, packaged system options, and accessories.

Product Details

Product: Controller
Manufacturer: Little Giant
Faucet Part Feature: Electrical and Sensors
Style: Switch
Mpn # 599123
Weight 0.29 lbs.

Product Features

  • Can install switch to activate audible and/or visual alarm
  • ABS housing
  • ABS float
  • Low voltage
  • Lead wires
  • UR / C-CSA listing


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Questions & Answers


Good day! In response to your inquiry about the Little Giant 599123 ACS-2 Condensate Overflow Switch, no, it won’t fit. But the 554401 has a spot for a safety switch (154465). We hope that this helps. Please don't hesitate to contact us if you have any further question about this switch. We thank you for choosing Have a joyful day!

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