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SS-1 Primary Inline Float Switch (Air Handler Drain Line)


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SS-1 Primary Inline Float Switch (Air Handler Drain Line) is available to buy in increments of 1


The SAFE-T-SWITCH SS-1 Primary Float Switch detects down stream clogs in condensate drains and interrupts the thermostat circuit to shut off the unit before flooding occurs. Works with Safe-T-Gard Model SG-1 condensate overflow alarm. The Model SS-1 installs inline at any downward slope from vertical to horizontal. It can also be installed on auxiliary pan outlets utilizing the plug included with the kit. PVC Tee body accepts a 3/4 inch slip PVC stub or drain pipe with included bushing. Compact footprint fits well in sloped drains and tight spaces.

Installation Options Include:

  • Inline installation in primary condensate drains (vertical or horizontal)
  • Auxilliary (safety) pan outlet installation with included plug and plugged installation on alternate primary drain outlets

Standard Features:

  • Sealed, waterproof reed/magnet float switch
  • Potted electrical contacts for reliable performance in wet environments
  • Float resets automatically and after the drain is cleared
  • 6 ft. lead wires are pre-wired and sealed requiring one electrical connection during installation (usually within the air handler electrical cabinet)
  • UL Listed to comply with UL 508 and most applicable building codes
  • Tested and listed for use in a 24-volt circuit at 1.25 amps 6000 cycles by Underwriters Laboratories
  • All fittings needed for installation on 3/4 inch drains and threaded female pan outlets and a plug for installation on auxiliary drain pan outlets.
  • Switch/cap assembly that removes easily to facilitate cleaning or clearing of clogged lines.


  • 24 Volts A/C
  • 1.25 Amp GP Switching Current (Tested and Listed by UL at 6000 Cycles - Inductive Load)
  • Reed Component Device is Separately UL Recognized at 2.5 Amps Max. Carry Current.
  • Schedule 40 PVC Slip Fittings Accept 3/4 inch Stub or Drain Line.

Package Includes:

  • Pre-wired 6 ft. 18 Gauge Lead Wires
  • 3/4 inch Schedule 40 PVC Slip Plug
  • 3/4 inch Threaded Male x Slip Male Adapter
  • 3/4 inch x 1 inch Reducer Bushing

Product Specification

Model Number(s) SS-1
Brand The AC Outlet
UPC # 640852917004

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SS-1 Primary Inline Float Switch (Air Handler Drain Line)