Level Switches | McMaster-Carr

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For Use With

Alcohol-Based Solvents

System of Measurement

Input Voltage

Pipe Size

Mounting Position

Body Material

Float Material

Maximum Temperature

Mounting Location

Material

Electrical Connection

Environment

High-Pressure Washdown

Connects To

Switch Designation

Switch Starting Position

Thread Type

Current @ Voltage

Stem Material

Overall Diameter

Maximum Pressure @ Temperature

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

882 Products

Float Switches

Level Switches

Horizontal-Mount Float Switches for Water

Install into a threaded connection in your tank wall from outside the tank

6 products

Vertical-Mount Float Switches for Water

Mount on the top or bottom of your tank to activate equipment when the water reaches the float

6 products

Dual-Level Vertical-Mount Float Switches for Water

Two float switches actuate at different water levels

1 product

Through-Wall Horizontal-Mount Float Switches for Water

Mount through the tank wall and secure with a nut from inside

3 products

Vertical-Mount Float Switches for Fuels and Oils

Mount on the top or bottom of your tank to activate equipment when the liquid reaches the float

6 products

Horizontal-Mount Float Switches for Fuels and Oils

Install into a threaded connection in your tank wall from outside the tank

11 products

Through-Wall Vertical-Mount Float Switches for Water

Mount on the top or bottom of your tank and secure with a nut from inside

1 product

Hazardous Location Float Switches for Chemicals

UL listed and CSA certified for safe use near flammable gases and combustible dust

5 products

Vertical-Mount Hazardous Location Float Switches for Fuels and Oils

UL listed and CSA certified for safe use near flammable gases and combustible dust

1 product

Dual-Level Vertical-Mount Float Switches for Fuels and Oils

Two float switches actuate at different liquid levels

2 products

Drop-In Float Switches for Water

Hang in your tank instead of mounting through the wall

18 products

Through-Wall Horizontal-Mount Float Switches for Fuels and Oils

Mount through the tank wall and secure with a nut from inside

1 product

Vertical-Mount Float Switches for Food and Beverage

Meet NSF/ANSI Standard 169 for food processing and thread through the tank's top or bottom

17 products

Through-Wall Horizontal-Mount Float Switches for Chemicals

Mount through the tank wall and secure with a nut from inside

3 products

Horizontal-Mount Hazardous Location Float Switches for Fuels and Oils

UL listed and CSA certified for safe use near flammable gases and combustible dust

7 products

Vertical-Mount Float Switches for Chemicals

Mount on the top or bottom of your tank to activate equipment when the liquid reaches the float

6 products

Horizontal-Mount Float Switches for Chemicals

Install into a threaded connection in your tank wall from outside the tank

5 products

Vertical-Mount Compressed-Air Float Switches for Fuels and Oils

A top-mounted compressed air valve opens when liquid levels move the float

1 product

Horizontal-Mount Float Switches for Food and Beverage

Meet NSF/ANSI Standard 169 for food processing and thread through the side of the tank

2 products

External-Mount Float Switches for Oils

Housed in a clear acrylic reservoir that mounts to the outside of your tank for visibility

2 products

Hazardous Location Float Switches for Water

UL listed and CSA certified for safe use near flammable gases and combustible dust

4 products

Through-Wall Vertical-Mount Float Switches for Chemicals

Mount on the top or bottom of your tank and secure with a nut from inside

2 products

Through-Wall Horizontal-Mount Float Switches for Food and Beverage

Meet NSF/ANSI Standard 169 for food processing; side-mount and secure with a nut inside

3 products

Vertical-Mount Float Switches with Brackets for Chemicals

The bracket mounts the switch to the inside of your tank

2 products

Horizontal-Mount Compressed-Air Float Switches for Fuels and Oils

A side-mounted compressed air valve opens when liquid levels move the float

2 products

Vertical-Mount Float Switches with Bracket for Fuels and Oils

The bracket mounts the switch to the inside of your tank

4 products

Float Switches for Slurries and Thick Liquids

Buoyant even in viscous liquids

8 products

Sump Pump Switches

Heavy Duty Sewage Water Float Switches for Sump Pumps

Activate your pump in dirty water that contains sludge and sewage

1 product

Dual Float Switches for Sump Pumps

If the primary float fails, the backup kicks in and alerts you to malfunction

1 product

Float Switches for Sump Pumps

Hang in a sump pit to detect rising water levels

2 products

Other Products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

29 products

Paddle Level Switches

Actuate when the paddle stops rotating to indicate the level of dry material

6 products

Float Switch Relays

Amplify current to actuate equipment that has a higher current rating than your float switch

2 products

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

29 products

Liquid-Level Gauges

Monitor fluid levels in containers

686 products