Liquid Level Switch

Uses item details. Price when purchased online

Generic SS2 Float Switch, White Electrical Switch, 1 Piece $19.99

Generic SS2 Float Switch, White Electrical Switch, 1 Piece
Sponsored
current price $19.99

Generic SS2 Float Switch, White Electrical Switch, 1 Piece

TOPGREENER Humidity Sensor and Fan Control Switch, Ventilation Fan Humidity Sensor Switch, Neutral Wire Required, TDHS5, 3-Pack From $28.99

TOPGREENER Humidity Sensor and Fan Control Switch, Ventilation Fan Humidity Sensor Switch, Neutral Wire Required, TDHS5, 3-Pack
Sponsored
From$2899

TOPGREENER Humidity Sensor and Fan Control Switch, Ventilation Fan Humidity Sensor Switch, Neutral Wire Required, TDHS5, 3-Pack

3.3 out of 5 stars
3.3 out of 5 Stars. 4 reviews

Madison SPST Liquid Level Switch Selectable 240VAC 15 psi M9000 $36.74

Madison SPST Liquid Level Switch Selectable 240VAC 15 psi M9000
current price $36.74

Madison SPST Liquid Level Switch Selectable 240VAC 15 psi M9000

Premium Plastic Float Switch Liquid Level Controller with 7.9 inches / 200 mm Rod for Water Detection and Alarm $12.72

Premium Plastic Float Switch Liquid Level Controller with 7.9 inches / 200 mm Rod for Water Detection and Alarm
current price $12.72

Premium Plastic Float Switch Liquid Level Controller with 7.9 inches / 200 mm Rod for Water Detection and Alarm

304 Stainless Steel Water Float Liquid Level Controller Switch (3.9 inches / 10.0 cm Length, 110-240V, 10mm Stroke) $13.07

304 Stainless Steel Water Float Liquid Level Controller Switch (3.9 inches / 10.0 cm Length, 110-240V, 10mm Stroke)
current price $13.07

304 Stainless Steel Water Float Liquid Level Controller Switch (3.9 inches / 10.0 cm Length, 110-240V, 10mm Stroke)

M Buder 2.0m Heavy Duty Liquid Float Switch Water Level Controller, IP68 Waterproof Automatic Water Tank Pump Sensor Switch (6.5 Feet / 2.0 m)

M Buder 2.0m Heavy Duty Liquid Float Switch Water Level Controller, IP68 Waterproof Automatic Water Tank Pump Sensor Switch (6.5 Feet / 2.0 m)

M Buder 2.0m Heavy Duty Liquid Float Switch Water Level Controller, IP68 Waterproof Automatic Water Tank Pump Sensor Switch (6.5 Feet / 2.0 m)

Madison M8750 Liquid Level Sensor, Side Mount Float Switch, Polypropylene, 1/2" NPT $27.88

Madison M8750 Liquid Level Sensor, Side Mount Float Switch, Polypropylene, 1/2" NPT
current price $27.88

Madison M8750 Liquid Level Sensor, Side Mount Float Switch, Polypropylene, 1/2" NPT

Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm) $15.67

Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm)
current price $15.67

Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm)

Madison SPST Tank Liquid Level Switch Selectable 240VAC 150 psi M4190 $340.75

Madison SPST Tank Liquid Level Switch Selectable 240VAC 150 psi M4190
current price $340.75

Madison SPST Tank Liquid Level Switch Selectable 240VAC 150 psi M4190

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M7790 $33.01

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M7790
current price $33.01

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M7790

Nemco 47876 Liquid Level Switch 8300 $37.87

Nemco 47876 Liquid Level Switch 8300
current price $37.87

Nemco 47876 Liquid Level Switch 8300

Madison M5600 316 Stainless Steel Full Size Liquid Level Switch with Stem, 60 VA SPST, 1/4" NPT, 200 psig Pressure $82.30

Madison M5600 316 Stainless Steel Full Size Liquid Level Switch with Stem, 60 VA SPST, 1/4" NPT, 200 psig Pressure
current price $82.30

Madison M5600 316 Stainless Steel Full Size Liquid Level Switch with Stem, 60 VA SPST, 1/4" NPT, 200 psig Pressure

MADISON M8700-C SPST Tank Liquid Level Switch Selectable 240VAC 100 psi $31.64

MADISON M8700-C SPST Tank Liquid Level Switch Selectable 240VAC 100 psi
current price $31.64

MADISON M8700-C SPST Tank Liquid Level Switch Selectable 240VAC 100 psi

Madison Tank Liquid Level Switch,5.25" $164.65

Madison Tank Liquid Level Switch,5.25"
current price $164.65

Madison Tank Liquid Level Switch,5.25"

Madison SPST Multi-level Liquid Level Switch Open On Rise 240VAC 200 psi M5605 $192.85

Madison SPST Multi-level Liquid Level Switch Open On Rise 240VAC 200 psi M5605
current price $192.85

Madison SPST Multi-level Liquid Level Switch Open On Rise 240VAC 200 psi M5605

MADISON M8710 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi $56.06

MADISON M8710 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi
current price $56.06

MADISON M8710 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi

Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black $8.69

Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black
current price $8.69

Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black

M Buder Non Contact Liquid Level Controller Sensitivity Adjustable Automatic Water Level Controller Switch Sensor AC100-260V for Smart Pump Level Control (4.53 x 3.54 x 1.57 inches / 11.5 x 9 x 4 cm) $45.83

M Buder Non Contact Liquid Level Controller Sensitivity Adjustable Automatic Water Level Controller Switch Sensor AC100-260V for Smart Pump Level Control (4.53 x 3.54 x 1.57 inches / 11.5 x 9 x 4 cm)
current price $45.83

M Buder Non Contact Liquid Level Controller Sensitivity Adjustable Automatic Water Level Controller Switch Sensor AC100-260V for Smart Pump Level Control (4.53 x 3.54 x 1.57 inches / 11.5 x 9 x 4 cm)

Madison SPST Liquid Level Switch Selectable 240VAC 100 psi MSB8800 $116.63

Madison SPST Liquid Level Switch Selectable 240VAC 100 psi MSB8800
current price $116.63

Madison SPST Liquid Level Switch Selectable 240VAC 100 psi MSB8800

DPST Open Liquid Level Switch Close on Rise 575VAC 9036DR31 $519.86

DPST Open Liquid Level Switch Close on Rise 575VAC 9036DR31
current price $519.86

DPST Open Liquid Level Switch Close on Rise 575VAC 9036DR31

Madison M8700 Plastic Side-Mounted Liquid Level Float Switch with Polypropylene Stem, 30 VA SPST, 1/2" x 1/2" NPT Male, 100 psig Pressure $26.77

Madison M8700 Plastic Side-Mounted Liquid Level Float Switch with Polypropylene Stem, 30 VA SPST, 1/2" x 1/2" NPT Male, 100 psig Pressure
current price $26.77

Madison M8700 Plastic Side-Mounted Liquid Level Float Switch with Polypropylene Stem, 30 VA SPST, 1/2" x 1/2" NPT Male, 100 psig Pressure

Square D Liquid Level Switch 9036DG2R Magnetic - 120 VAC, 2 Amps, Multicolor Indoor & Outdoor Use, NEC-Compliant $85.68

Square D Liquid Level Switch 9036DG2R Magnetic - 120 VAC, 2 Amps, Multicolor  Indoor & Outdoor Use, NEC-Compliant
current price $85.68

Square D Liquid Level Switch 9036DG2R Magnetic - 120 VAC, 2 Amps, Multicolor Indoor & Outdoor Use, NEC-Compliant

Madison SPST Liquid Level Switch Selectable 240VAC 85 psi MSB5600 $220.81

Madison SPST Liquid Level Switch Selectable 240VAC 85 psi MSB5600
current price $220.81

Madison SPST Liquid Level Switch Selectable 240VAC 85 psi MSB5600

MADISON M9000-ULL-NO SPST Ultra Low Level Liquid Switch Close on Rise 240VAC 25 psi $71.15 Was $92.14

MADISON M9000-ULL-NO SPST Ultra Low Level Liquid Switch Close on Rise 240VAC 25 psi
current price Now $71.15, Was $92.14

MADISON M9000-ULL-NO SPST Ultra Low Level Liquid Switch Close on Rise 240VAC 25 psi

madison m8790 lqd lvl swch,5/8-11 unc,selectable,pp $29.52

madison m8790 lqd lvl swch,5/8-11 unc,selectable,pp
current price $29.52

madison m8790 lqd lvl swch,5/8-11 unc,selectable,pp

Madison SPST Multi-level Liquid Level Switch Selectable 240VAC 100 psi ML8888 $404.71

Madison SPST Multi-level Liquid Level Switch Selectable 240VAC 100 psi ML8888
current price $404.71

Madison SPST Multi-level Liquid Level Switch Selectable 240VAC 100 psi ML8888

Telemecanique Sensors DPST Liquid Level Switch Close on Rise 600VAC 9037EG10 $347.73

Telemecanique Sensors DPST Liquid Level Switch Close on Rise 600VAC 9037EG10
current price $347.73

Telemecanique Sensors DPST Liquid Level Switch Close on Rise 600VAC 9037EG10

MADISON M9700 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi $42.95

MADISON M9700 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi
current price $42.95

MADISON M9700 SPST Tank Liquid Level Switch Selectable 240VAC 100 psi

SPST Liquid Level Switch Selectable 240 VAC 100 PSI M8000 $23.23

SPST Liquid Level Switch Selectable 240 VAC 100 PSI M8000
current price $23.23

SPST Liquid Level Switch Selectable 240 VAC 100 PSI M8000

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M8790-14/4184 $42.98

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M8790-14/4184
current price $42.98

Madison SPST Tank Liquid Level Switch Selectable 240VAC 100 psi M8790-14/4184

Madison AlternatrCloseLiquidLvlSwtch,120VDC,240V M8000-ULL-NO $51.72 $51.72/1

Madison AlternatrCloseLiquidLvlSwtch,120VDC,240V M8000-ULL-NO
current price $51.72
$51.72/1

Madison AlternatrCloseLiquidLvlSwtch,120VDC,240V M8000-ULL-NO

DPST Alternator Tank Liquid Level Switch Close on Rise 9038CG32 $540.81

DPST Alternator Tank Liquid Level Switch Close on Rise 9038CG32
current price $540.81

DPST Alternator Tank Liquid Level Switch Close on Rise 9038CG32

Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W $7.01

Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W
current price $7.01

Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W

Madison SPST Tank Liquid Level Switch Selectable 240 VAC 100 PSI M8700 $25.19

Madison SPST Tank Liquid Level Switch Selectable 240 VAC 100 PSI M8700
current price $25.19

Madison SPST Tank Liquid Level Switch Selectable 240 VAC 100 PSI M8700

Telemecanique Sensors Liquid Level Switch Float DPST 1NO/1NC 10A 9036GG2H Open Tank NEMA 1 $231.00

Telemecanique Sensors Liquid Level Switch Float DPST 1NO/1NC 10A 9036GG2H Open Tank NEMA 1
current price $231.00

Telemecanique Sensors Liquid Level Switch Float DPST 1NO/1NC 10A 9036GG2H Open Tank NEMA 1

Square D Liquid Level Switch Electrical Lever Switch - Open On Rise, NEMA 1, 460V Indoor & Outdoor Use, NEC-Compliant $94.95

Square D Liquid Level Switch Electrical Lever Switch - Open On Rise, NEMA 1, 460V  Indoor & Outdoor Use, NEC-Compliant
current price $94.95

Square D Liquid Level Switch Electrical Lever Switch - Open On Rise, NEMA 1, 460V Indoor & Outdoor Use, NEC-Compliant

Doyon Quf400 Liquid Level Switch $398.77

Doyon Quf400 Liquid Level Switch
current price $398.77

Doyon Quf400 Liquid Level Switch

Telemecanique Sensors LiquidLevelSwitch,Vertical,Steel,575V 9037HG38 $215.15

Telemecanique Sensors LiquidLevelSwitch,Vertical,Steel,575V 9037HG38
current price $215.15

Telemecanique Sensors LiquidLevelSwitch,Vertical,Steel,575V 9037HG38

Madison SPST Liquid Level Switch Selectable 240VAC 500 psi M5600-PR $103.82

Madison SPST Liquid Level Switch Selectable 240VAC 500 psi M5600-PR
current price $103.82

Madison SPST Liquid Level Switch Selectable 240VAC 500 psi M5600-PR

SPST Liquid Level Switch Selectable 240VAC 200 psi M5917 $90.41

SPST Liquid Level Switch Selectable 240VAC 200 psi M5917
current price $90.41

SPST Liquid Level Switch Selectable 240VAC 200 psi M5917

Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch $13.59

Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch
current price $13.59

Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch

MADISON M3827-3 SPST Tank Liquid Level Switch Open On Rise 240VAC 50 psi $146.97

MADISON M3827-3 SPST Tank Liquid Level Switch Open On Rise 240VAC 50 psi
current price $146.97

MADISON M3827-3 SPST Tank Liquid Level Switch Open On Rise 240VAC 50 psi

Other options to consider

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FAQ

How do I pick the right liquid level switch?

Choosing the right liquid level switch depends on your tank size, the type of liquid, and where you plan to mount it.

  • Mounting style: Side-mounted switches are great for tanks with limited top access, while top-mounted options work well for deeper tanks.
  • Material: Polypropylene and stainless steel are common; pick one that’s compatible with your liquid to avoid corrosion.
  • Voltage and stroke: Check the switch’s voltage range and stroke length to match your system’s requirements.
Review product specs and installation needs to find the best fit for your setup.

Can I use these switches outdoors?

Some liquid level switches are designed for both indoor and outdoor use, but it’s important to check the product’s waterproof rating and durability.

  • IP ratings: Look for switches with IP68 or similar ratings for reliable water resistance.
  • Material: Stainless steel and heavy-duty plastics can handle harsher environments.
  • Installation: Make sure the switch is installed according to manufacturer guidelines to prevent moisture damage.
Always review the product details to ensure it’s suitable for your outdoor application.

How do I install a float switch in my water tank?

Installing a float switch is usually straightforward, but steps can vary by model.

  1. Turn off power to the tank system before starting.
  2. Mount the switch at the desired level, either on the side or top of the tank.
  3. Secure the float arm and connect the wiring as instructed in the manual.
  4. Test the switch by filling or draining the tank to see if it activates.
Always follow the included instructions and consult a professional if you’re unsure about electrical connections.

What maintenance do liquid level switches need?

Regular maintenance helps keep your liquid level switch working smoothly.

  • Inspect: Check for buildup or debris on the float and sensor.
  • Clean: Gently wipe the float and housing with a damp cloth; avoid harsh chemicals.
  • Test: Periodically test the switch to make sure it’s responding correctly.
Routine care can extend the life of your switch and prevent unexpected issues in your tank system.

Are replacement parts available for these switches?

Replacement parts like floats, mounting brackets, or wiring kits may be available for some liquid level switches.

  • Check the product page for compatible accessories or parts.
  • If you need a specific component, search for the item’s model number to find matching parts.
  • For complex repairs, consider reaching out to a professional or the manufacturer for guidance.
Walmart’s customer service can help you locate replacement parts or answer questions about product compatibility.

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