Updated: 24 Feb 2025

float switch for water tanks

Explore up to 14% Off

Updated: 24 Feb 2025

#1

Best Choice
Float Switch, SPDT Type, for Potable Water

9.7

SJE Rhombus

Read more

Main highlights

Tether Length Min.-Max.: 3-1/2" to 24" Switch Type: SPDT Length: 3-9/16" Max. Liquid Temp.: 140 Degrees Country of Origin (subject to change): United States

Price For: Each Series: Pump Master Item: Float Switch Compliance: CSA Operation: NO/NC Includes: Cable Weight Amps: 13A Max. Pressure (PSI): 20 HP @ 1 Phase - 230V: 1 Float Length (In.): 3-9/16 Float Material: PVC HP @ 1 Phase - 115V: 1/2 Wire Lead: SJOW Connection: Direct Wire Height: 3-9/16" Turns Off At: 45 Degrees Below Body Material: PVC

For Use With: Potable Water Float Switch Cord Length: 15 ft. Mounts: Cable Weight Width: 3-3/64" Float Dia. (In.): 3-3/64 Float Switch Float Material: PVC Agency Compliance: CSA Type: Wide Angle Float Switch On Point: Adjustable Wire Gauge: 16 Pumping Range Min./Max.: 7 to 36 Float Switch Off Point: Adjustable Voltage: 120 to 230VAC Overall Length (In.): 183
#2

Value for Money
Float Switch PUMPMASTER Pump Switch SJE-RHOMBUS Pump UP 20PMUWOP 20FT w/o PLUG

9.6

SJE Rhombus

Read more

Main highlights

p/n 1002737

SJE-RHOMBUS PUMPMASTER Pump Switch

PUMP UP
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
Baomain 4M 13ft Cable Float Switch Water Level Controller, for Tank Pump, Water Tank or Sewage System On Auto Pilot

9.5

Baomain

Read more

Main highlights

Working Temperature: 0°C~60°C; Control Range: 0.2m; Electrical Endurance: 50,000 times Contacts: NO+NC

Rated Current/Voltage: AC 10(8A) 250V~10(4A) 380V;

Product Name: Float Switch Water Level Controller; Model: UK-221
#4
Parts2O FPW217-180B Tank Float Switch

9.4

Parts2O

Read more

Main highlights

Turns a pump on when the aerator tank is empty

Piggyback plug for system troubleshooting and manual operation

Normally-closed contacts
#5
Schneider Electric 9036DG2R Pumptrol Float Switch,Grey

9.3

Telemecanique Sensors

-14%

Read more

Main highlights

Works with water, hydraulic oils, and corrosive fluids

Includes 4 screw terminals and 3 knockouts for 1/2" conduit entry

Commercial open tank float switch activates pumps or signals within a power circuit when fluid levels are reached

-14%
#6
SJE Rhombus PumpMaster 1002732 20FT (Normally Open/Pump Down)

9.2

SJE Rhombus

Read more

Why we love it

Certified safe for drinking water by NSF Standard 61.

Durable and long-lasting, install and forget it.

Easy to install, works perfectly right away.

Main highlights

NSF Standard 61 Certified and Heavy-Duty Contacts
Passed NSF Standard 61 protocol by an approved Water Quality Association laboratory, featuring heavy-duty contacts for reliable performance and durability.

Ideal for Pump Control in Residential and Commercial Settings
Perfect for pump down normally open applications, controlling pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC.

Long-Lasting and Easy to Install
Customers praise the float switches for their longevity and ease of installation, making them a reliable and convenient choice.
#7
Little Giant CFST 115/230 Volt Control Float Switch (Plugless) for Control Panels and Alarms with 20-Ft. Cord, Black, 950267

9.1

Little Giant

Read more

Main highlights

For use with Little Giant Grinder Pump (GP Series) control panels and alarms; tethered control float switch provides automatic control of a pump in water and sewage effluent applications

Features mechanically activated contacts

Designed exclusive for the Little Giant GP Manual Grinder Pump Series
#8
Superior Pump 92010 Vertical Float Switch , Black

8.9

Superior Pump

Read more

Why we love it

Easy to install with adjustable float settings.

Reliable non-mercury activated switch.

Durable with a 10-foot water-resistant cord.

Main highlights

Universal Compatibility
Universal design works with many pumps, including sump and utility pumps. Features a non-mercury activated switch and a 10-foot water-resistant power cord with piggyback plug.

Best for Pump Upgrades
Ideal for upgrading existing pumps without float switches, especially in sump and utility applications. Easy to install and adjust for different water levels.

Ease of Installation
Most customers praise the easy installation and adjustability of the float switch, noting it saves money by avoiding the need for a new pump.
#9
Little Giant RFSN-6 115-Volt, Maximum 13-Amp - 1/2 HP, Pump Down Piggyback Tethered Float Switch for Pond, Sump, Sewage or Effluent Systems, 10-Ft. Cord, Grey, 599118

8.8

Little Giant

Read more

Main highlights

LIMITATIONS: maximum 0.5 HP, 13 Amp maximum pump run current; 85 Amp maximum pump start current; use only with pumps equipped with integral thermal overload protection

CORD LENGTH: 10-foot cord with piggyback plug; pumping range 7 inches to 33 inches

APPLICATIONS: water resistant pump down tethered float switch for sump, sewage, effluent systems, ponds or utility pumps; allows pumps to start/stop automatically; adjustable
#10
Little Giant RFSN-9 115-Volt, Maximum 13-Amp - 1/2 HP, Pump Down Piggyback Tethered Float Switch for Pond, Sump, Sewage or Effluent Systems, 15-Ft. Cord, Grey, 599117

8.7

Little Giant

Read more

Main highlights

LIMITATIONS: maximum 0.5 HP; 13 Amp maxumim pump run current; 85 Amp maximum pump start current; use only with pumps equipped with integral thermal overload protection

CORD LENGTH: 15-foot cord with piggyback plug; pumping range 7 inches to 36 inches

APPLICATIONS: water resistant pump down tethered float switch for sump, sewage, effluent systems, ponds or utility pumps; allows pumps to start/stop automatically; adjustable

Discover top deals and categories on Amazon Check Deals

float switch for water tanks

Float Switch, SPDT Type, for Potable Water

9.7

Main highlights

Float Switch PUMPMASTER Pump Switch SJE-RHOMBUS Pump UP 20PMUWOP 20FT w/o PLUG

9.6

Main highlights

Baomain 4M 13ft Cable Float Switch Water Level Controller, for Tank Pump, Water Tank or Sewage System On Auto Pilot

9.5

Main highlights

Parts2O FPW217-180B Tank Float Switch

9.4

Main highlights

Schneider Electric 9036DG2R Pumptrol Float Switch,Grey

9.3

Main highlights

SJE Rhombus PumpMaster 1002732 20FT (Normally Open/Pump Down)

9.2

Why we love it

Main highlights

Little Giant CFST 115/230 Volt Control Float Switch (Plugless) for Control Panels and Alarms with 20-Ft. Cord, Black, 950267

9.1

Main highlights

Superior Pump 92010 Vertical Float Switch , Black

8.9

Why we love it

Main highlights

Little Giant RFSN-6 115-Volt, Maximum 13-Amp - 1/2 HP, Pump Down Piggyback Tethered Float Switch for Pond, Sump, Sewage or Effluent Systems, 10-Ft. Cord, Grey, 599118

8.8

Main highlights

Little Giant RFSN-9 115-Volt, Maximum 13-Amp - 1/2 HP, Pump Down Piggyback Tethered Float Switch for Pond, Sump, Sewage or Effluent Systems, 15-Ft. Cord, Grey, 599117

8.7

Main highlights

Similar products on Amazon

Float Valve,1/2" to 3/4'' Water Float Valve, 304 Stainless Steel Fully Automatic Water Level Control Float Valve, Automatic Water Level Controller for Water Tank, Pool, Water Tank, Livestock Troughs.

Float Switch for Sump Pump - 10-Foot Water Level Sensor with Honeywell Microswitch and Adjustable Tether Length for Ground Water Bilge Pump and Water Tank – Non-Corrosive PP Casing, Rated to 13 Amps

uxcell Stainless Steel Float Switch for Water Pump Tank swim pool garden pond Liquid Water Level Sensor M11 90mm Length

2PCS Float Valve,1/2" to 3/4'' Water Float Valve,304 Stainless Steel Fully Automatic Water Level Control Float Valve, Automatic Water Level Controller for Water Tank,Pool,Water Tank, Livestock Troughs

NXTOP 3M （9.8ft）Cable Float Switch Water Level Controller for Sump Pump, Water Tank

6.56Feet Cable Waterproof Float Switch for Water Tank, 2M Float Switch Water Level Controller for Sump Pump (6.56ft(2M))

2 Pack Float Valve Stable Water Float Valve Shut Off 1/2" Stainless Steel Automatic Waterer Bowl Fill Feed Water Trough with Adjustable Arm Horse Cattle Sheep Pig Dog Water Float Valve

eMagTech 2Pcs 304 Stainless Steel Water Flow Float Switch Liquid Sensor Suitable For Water Tank Household Water Tower Drainage Pool Industrial Water Tower (60mm 110V)

AquaticLife Float Valve Kit for RO & RO/DI Systems

Nxtop 6M Cable Float Switch Water Level Controller for Sump Pump, Water Tank

More products you might like

Sign up and get exclusive special deals