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Float Switches

13 results found that include 161 products

Help prevent water damage with a dependable float switch from Grainger. Level switches use either a tethered or a non-tethered float that can detect rising levels of liquids and automatically activate pumps in sump, sewage and non-potable water tanks. Choose a level switch based on the voltage and current specifications of your pump application. Browse this selection today and let Grainger help you get the job done with a high-quality float switch.Close

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  • DAYTON Float Switches
    • TM

      Grainger Choice

    • DAYTON
    • Multiple product options available

      Dayton® Float Switches are designed to detect the level of liquid within a tank, and can automatically control pumps in sump/sewage and nonpotable water applications. Each includes an adjustable mounting strap. Use these switches for pumps, indicators, alarms, or other devices.

      Multiple product options available

  • SJE-RHOMBUS Float Switches
    • SJE-RHOMBUS
    • Multiple product options available

      SJE-Rhombus Float Switches can be used to accurately monitor high (normally open) or low (normally closed) liquid levels, to activate pump control panels and alarms in water and sewage applications.

      • Narrow-Angle Float Switches are mechanically-activated to activate pump control panels and alarms.
      • Sump or Sewage Float Switches are mechanically-activated, wide-angle pump switches designed specifically for sump applications.
      • Tether Bump Switches feature an adjustable mounting strap. They can automatically control pumps in sump/sewage and nonpotable water applications.
      • Wide-Angle Float Switches help provide automatic control in sump/sewage and nonpotable water applications.

      Multiple product options available

  • LITTLE GIANT Float Switches
    • LITTLE GIANT
    • Multiple product options available

      Little Giant® Float Switches automatically control pumps in sump/sewage and nonpotable water applications. Normally open switches pump down for dewatering applications.

      • Auxiliary Condensate Switches help prevent overflow in condensate drain pans of air conditioners or refrigerators
      • Auxiliary Safety Switches can help detect downstream clogs in drain lines
      • Diaphragm Float Switches are water-pressure activated
      • External Control Mode Float Switches use a bell inside switch in basins to monitor liquid levels
      • Vertical Float Switches are ideal for use in limited spaces

      Multiple product options available

  • Open Tank Float Switch, 1 Pole, Close on Rise Switch&#
    GENERAL ELECTRIC Float Switches
    • GENERAL ELECTRIC
    • General Electric Float Switches are designed for accurate liquid level control in many applications including potable water or sewage environments. Switches may be used in pumps, indicators, alarms, or other devices.

    • Item # 4ZZF3
    • Mfr. Model # 2900B8S1C-20
    • Float Switch, Float Switch Contact Form Normally Open, Voltage 120/240VAC, Electrical Connection - Pumps Wire...More

  • JOHNSON CONTROLS Float Switches
    • JOHNSON CONTROLS
    • Multiple product options available

      Johnson Controls Float Switches are designed to help detect the level of liquid within a tank. Float switches also help protect property and equipment from water damage by activating pumps.

      • Air Volume Controls control the amount of air in the residential water storage tanks of deep well water systems.
      • Float Switches help maintain the proper liquid levels in closed tanks.
      • Sump Pump Switches are designed to start or stop an electric motor on liquid level rise or drop.

      Multiple product options available

  • PHCC PRO SERIES Float Switches
    • PHCC PRO SERIES
    • Multiple product options available

      PHCC Pro Series Float Switches help control pumps in sump/sewage and nonpotable water applications.

      • Dual-Float Switches are each mounted within a protective cage to ensure reliable operation.
      • Solid-State Sensor Float Switches use a sensor rod to sense water level regardless of how fast or slow the sump pit falls.
      • Sump Float Switches and Sump or Sewage Float Switches each feature mechanical floats on a rod to help clear water and sewage applications.

      Multiple product options available

  • RULE Float Switches
    • RULE
    • Multiple product options available

      Rule® Float Switches each feature an environmentally-friendly, mercury-free marine design to help promote safe usage in freshwater and saltwater applications.

      Multiple product options available

  • MADISON Float Switches
    • MADISON
    • Multiple product options available

      Madison Float Switches are designed to help detect the level of liquids in large open vessels, water tanks, reservoirs, sumps, and ponds. Use in pumps, indicators, alarms, or other devices. Tilt Float Switches provide reliable level detection in open vessels, sumps, and ponds. They are ideal for applications where debris or similar conditions may exist.

      Multiple product options available

  • LEVELGUARD Pump Switches
    • LEVELGUARD
    • Multiple product options available

      LevelGuard® Pump Switches each feature a solid-state design, with no moving parts to hang-up or wear as with traditional mechanical pump switches. Pump switches help to automatically control pumps in sump or sewage water applications. They can be used as replacements for conventional tethered sump pump switches.

      Multiple product options available

  • Condensation Pan Switch
    DIVERSITECH Float Switches
    • DIVERSITECH
    • Diversitech® Float Switches feature solid-state construction, and are designed to help detect the presence of condensate water overflow.

      • Flood Detector Switches turn systems off when detecting moisture due to condensate or drain leaks.
      • Overflow Safety Switches are nonmechanical, operating by sensing the dielectric constant of water. They do not feature moving parts that would otherwise wear out or fail.
      • Pan Switches feature a unique, clamp-on float design intended for HVAC drain pan installation.

    • Item # 6XJH8
    • Mfr. Model # CC-1
    • Condensation Pan Switch, Float Switch Contact Form Normally Closed, Voltage 24VAC, Electrical Connection -...More

  • FLOWLINE Level Switches
    • FLOWLINE
    • Multiple product options available

      FlowLine™ Level Switches feature a mercury-free design, making them suitable for use with corrosive liquids, as well as sewage water applications. Easy-to-install, these switches help provide reliable liquid level detection. They are designed to automatically activate pumps in the filling or draining of reservoirs, tanks, and wells.

      Multiple product options available

  • Pneumatic Liquid Level Control, Mechanical/Pneumatic Switch Type
    SANDPIPER Liquid Level Controls
    • SANDPIPER
    • Sandpiper® Liquid Level Controls operate entirely by mechanical and pneumatic means. Ideal in sumping and liquid transfer situations, the float-operated switches open and close air supply to the pump for positive on or off response. They offer easy, low-cost installation.

    • Item # 33UJ67
    • Mfr. Model # 032.036.000.
    • Liquid Level Control, Overall Length (In.) 72, Float Length (In.) 39606, Length 72 In., Width 9-13/16 In.,...More

  • MADISON Optical Sensors
    • MADISON
    • Multiple product options available

      Madison Optical Sensors are designed to provide low-profile, easy use with no moving parts. Sensors help provide accurate liquid level sensing for high/low alarms and pump controls.

      Multiple product options available

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More