SumpBobber - Sump Float Switch for Alarm




A simple float switch designed to monitor the water level in a sump pump pit or well. Easily configured as a normally open or normally closed switch to suit any alarm system, dialer or automation system. The included hose clamp allows easy level adjustment.

  • Simple Construction
  • High reliability design
  • Made of non-corroding plastic materials
  • Stainless steel hose clamp for easy mounting
  • Will operate totally submerged
  • Unique reversible float allows for NO or NC switch circuit
  • Fits virtually all sizes and types of return pipes

Check out our SUMPSPOT Kit for a WiFi Text Messaging Sump Pump alarm!



  • Switch is U.L. listed.
  • 1 Amp Max at 24 VDC.
  • Recommended < 250ma.
  • 24 inch lead wires (20 AWG)
  • Operating temperature not to exceed 90 deg. Celsius.
  • Mount float slightly above point where the water level activates the sump pump.
  • Connect electrical leads to the applicable circuit.
  • Use of a water-tight splice is recommended.
  • Test to insure proper operation.
  • To change circuit from N.C. to N.O., remove "C" clip, reverse float, reinstall "C" clip.
  • When connecting to an inductive load an arc suppression device should be put in parallel with the load to avoid damaging the switch.

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