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Safety Equipment and GearAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyBathroom PlumbingBrackets and Angle IronsBreakers, Distributors, and Load CentersDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareElectrical ToolsElectrical Wire & CableElectronic Communication ComponentsFastenersFire SafetyFurniture HardwareGate HardwareGatesGuttering & DrainageHand ToolsHardware KnobsHingesHome SafetyKitchen HardwareLight BulbsMechanics ToolsOutletsPaint Supplies & ToolsPersonal PreparednessPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsProjectsSafety DetectorsSolar AccessoriesSolar Charge ControllerSolderingTestersThermostatsTool Equipment & StorageValves & Valve RepairWater Heaters, Pumps & TanksWildfire Prep
Water Sensor Switch(253)
Uses item details. Price when purchased online
Briidea Sump Pump Alarm, 110dB Audible Alert, LED Indicator, 10ft Float Switch, for Septic/Sump/Pond/Water Tank, 1 Pack $59.99
Sponsored
$5999
current price $59.99Briidea Sump Pump Alarm, 110dB Audible Alert, LED Indicator, 10ft Float Switch, for Septic/Sump/Pond/Water Tank, 1 Pack
Briidea Sump Pump Alarm, 110dB Siren, LED Indicator, 10ft Float Switch, for Septic & Pond, Home Use, 1 Pack $62.59 Was $79.99
Sponsored
Now$6259
current price Now $62.59, Was $79.99$79.99
Briidea Sump Pump Alarm, 110dB Siren, LED Indicator, 10ft Float Switch, for Septic & Pond, Home Use, 1 Pack
4.3 out of 5 stars
Briidea Septic Sump Pump Alarm, 110dB Siren, LED Indicator, 10ft Float Switch, Indoor/Outdoor, with Test Button & AC Light $79.99 Was $89.99
Sponsored
Now$7999
current price Now $79.99, Was $89.99$89.99
Briidea Septic Sump Pump Alarm, 110dB Siren, LED Indicator, 10ft Float Switch, Indoor/Outdoor, with Test Button & AC Light
5 out of 5 stars
Rollback, GREENCYCLE Wireless Light Switch and Receiver Kit, Wireless Remote Light Switch, Wireless Wall Switch for Lights, Fans, Battery Included, No Wiring Needed, Buckle Design, Removable, Programmeable From $15.29
Sponsored
From$1529
GREENCYCLE Wireless Light Switch and Receiver Kit, Wireless Remote Light Switch, Wireless Wall Switch for Lights, Fans, Battery Included, No Wiring Needed, Buckle Design, Removable, Programmeable
4.6 out of 5 stars
2Pcs Water Level Sensor Switch Float Switch Side Mounted PP Plastic 16mm Open Size DC 0-110V (10 in / 25.4 cm) $10.46
$1046
current price $10.462Pcs Water Level Sensor Switch Float Switch Side Mounted PP Plastic 16mm Open Size DC 0-110V (10 in / 25.4 cm)
Telemecanique Sensors Water Pump Switch, 1/4in FNPS, 5-65 psi 9013FSG2J21P $42.80
$4280
current price $42.80Telemecanique Sensors Water Pump Switch, 1/4in FNPS, 5-65 psi 9013FSG2J21P
Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm) $15.67
$1567
current price $15.67Riousery Water Level Sensor Switch 304 Stainless Steel Liquid Float Controller AC 0-220V (9.06 inches / 23 cm)
Automatic Water Flow Sensor Switch G1/2 Threaded Liquid Pressure Controller for Shower Solar Water Heater Pump (9 x 7 in / 22.8 x 17.7 cm) $15.00
$1500
current price $15.00Automatic Water Flow Sensor Switch G1/2 Threaded Liquid Pressure Controller for Shower Solar Water Heater Pump (9 x 7 in / 22.8 x 17.7 cm)
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
$4583
current price $45.83M 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)
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)
Shelly 1PM Gen3 $19.24 Was $27.49
Sponsored
Now$1924
current price Now $19.24, Was $27.49$27.49
Shelly 1PM Gen3
4.7 out of 5 stars
Shelly 1PM Gen3 x2 $29.74
Sponsored
$2974
current price $29.74Shelly 1PM Gen3 x2
5 out of 5 stars
HT-120 Water Pump Flow Switch AC220V 1A G3/4 Inches Thread Flow Sensor Switch for Booster Pump Solar Water Heater Automatic Circulation Low Water Pressure Ignition System $17.07
$1707
current price $17.07HT-120 Water Pump Flow Switch AC220V 1A G3/4 Inches Thread Flow Sensor Switch for Booster Pump Solar Water Heater Automatic Circulation Low Water Pressure Ignition System
BIMZUC Flow Sensor Replacement for Hayward Salt System GLX-FLO-RP DN15 G1/2 Thread Metal Pool Flow Switch with 15ft Cable (4.5m) Water Control System $23.56
$2356
current price $23.56BIMZUC Flow Sensor Replacement for Hayward Salt System GLX-FLO-RP DN15 G1/2 Thread Metal Pool Flow Switch with 15ft Cable (4.5m) Water Control System
Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter, Rated Power 10W - Industrial Flow Switch Accessory $16.79
$1679
current price $16.79Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter, Rated Power 10W - Industrial Flow Switch Accessory
16 Ft Float Switch Sensor Water Sump Pump Contractor NO/NC Controller Pump Switch $29.99
$2999
current price $29.9916 Ft Float Switch Sensor Water Sump Pump Contractor NO/NC Controller Pump Switch
XISAOK HT-800 1 Inch Flow Sensor Water Pump Flow Switch Easy To Connect $20.19
$2019
current price $20.19XISAOK HT-800 1 Inch Flow Sensor Water Pump Flow Switch Easy To Connect
YIEMEEN Sensor Water Pump Flow Switch 1 Inch Magnetic Automatic Control Pump Switch with G1 Thread 200W Copper Water Pump Switch $15.21
$1521
current price $15.21YIEMEEN Sensor Water Pump Flow Switch 1 Inch Magnetic Automatic Control Pump Switch with G1 Thread 200W Copper Water Pump Switch
Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black $8.69
$869
current price $8.69Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black
Suodoka 1 PCS HT-30 AC 0-110V G3/4" Water Pump Flow Sensor Switch, 2.76 inches / 7 cm, Household Water Pressurization $16.04
$1604
current price $16.04Suodoka 1 PCS HT-30 AC 0-110V G3/4" Water Pump Flow Sensor Switch, 2.76 inches / 7 cm, Household Water Pressurization
RectorSeal Safety Switch 2.75 in. W X 1.25 in. H White $64.03
Sponsored
$6403
current price $64.03RectorSeal Safety Switch 2.75 in. W X 1.25 in. H White
Ortis Humidity Sensor Switch, in-Wall Bathroom Fan Automated Control Switch, Separate Sensor for Better Moisture Detection, 328ft Range, 110/220V, Keep Your Room Dry From $22.99
Sponsored
From$2299
Ortis Humidity Sensor Switch, in-Wall Bathroom Fan Automated Control Switch, Separate Sensor for Better Moisture Detection, 328ft Range, 110/220V, Keep Your Room Dry
5 out of 5 stars
BIMZUC HT-120 G3/4" to 3/4" Thread Water Pump Flow Sensor Switch, AC220V 1A Liquid Automatic Pressure Controller Booster for Shower Solar Water Heater (2.68 x 2.05 in / 6.8 x 5.2 cm) $16.07
$1607
current price $16.07BIMZUC HT-120 G3/4" to 3/4" Thread Water Pump Flow Sensor Switch, AC220V 1A Liquid Automatic Pressure Controller Booster for Shower Solar Water Heater (2.68 x 2.05 in / 6.8 x 5.2 cm)
Black & Decker Smart Wi-Fi Water Sensor - 3 pack $42.99
$4299
current price $42.99Black & Decker Smart Wi-Fi Water Sensor - 3 pack
Water Pump Sensor Switch Pressure Automatic Control Switch HT-60 4-4 220V 60W G1/2in $12.59
$1259
current price $12.59Water Pump Sensor Switch Pressure Automatic Control Switch HT-60 4-4 220V 60W G1/2in
Premium Side Mount Duckbill Liquid Level Sensor Float Switch with 1/2 Inch NPT Thread High-Quality PP Plastic White Automatic Water Controller DC 0-220V System Component 3.94 inches / 10.0 cm $14.98
$1498
current price $14.98Premium Side Mount Duckbill Liquid Level Sensor Float Switch with 1/2 Inch NPT Thread High-Quality PP Plastic White Automatic Water Controller DC 0-220V System Component 3.94 inches / 10.0 cm
HT-800 1" Water Flow Sensors Switch 220V 4A Liquid Paddle Pump $12.53 Was $14.00
Now$1253
current price Now $12.53, Was $14.00$14.00
HT-800 1" Water Flow Sensors Switch 220V 4A Liquid Paddle Pump
Telemecanique Sensors Water Pump Switch, 1/4in FNPS,30-50 psi 9013FSG2J21PC20 $48.29
$4829
current price $48.29Telemecanique Sensors Water Pump Switch, 1/4in FNPS,30-50 psi 9013FSG2J21PC20
SENRISE Small Liquid Water Level Sensor Stainless Steel Ball Float Switch Tank Level Position Pool Pond $12.69
$1269
current price $12.69SENRISE Small Liquid Water Level Sensor Stainless Steel Ball Float Switch Tank Level Position Pool Pond
1 out of 5 stars
JR-A568-5B Hall Water Flow Sensor Switch for Instant Electric Water Heater Accessories,1 x Hall Water Flow Sensor Switch,Black $10.99
$1099
current price $10.99JR-A568-5B Hall Water Flow Sensor Switch for Instant Electric Water Heater Accessories,1 x Hall Water Flow Sensor Switch,Black
Best seller, ELEGRP Occupancy Motion Sensor Light Switch, PIR Infrared Motion Activated Wall Switch, No Neutral Wire, Single Pole for CFL/LED/Incandescent Bulb, Wall Plate Included, UL Listed From $25.32
Best seller
Sponsored
From$2532
ELEGRP Occupancy Motion Sensor Light Switch, PIR Infrared Motion Activated Wall Switch, No Neutral Wire, Single Pole for CFL/LED/Incandescent Bulb, Wall Plate Included, UL Listed
4 out of 5 stars
Best seller, TOPGREENER In-Wall PIR Motion Sensor Light Switch, Single Pole Occupancy Sensor Switch, Motion Sensor Switch, Need Neutral Wire, Wall Plate Included, On/Off Override, 4A, 500W, TSOS5-W, White, 2 Pack From $16.99
Best seller
Sponsored
From$1699
TOPGREENER In-Wall PIR Motion Sensor Light Switch, Single Pole Occupancy Sensor Switch, Motion Sensor Switch, Need Neutral Wire, Wall Plate Included, On/Off Override, 4A, 500W, TSOS5-W, White, 2 Pack
4.4 out of 5 stars
Sump Alarm High Water Alarm with 10ft float switch for sump pumps From $135.99
4 options
Available in additional 4 optionsFrom$13599
Sump Alarm High Water Alarm with 10ft float switch for sump pumps
5 out of 5 stars
Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W $7.01
$701
current price $7.01Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W
Tank Pool Horizontal Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W,1 x Liquid Level Sensor,Black $7.29
$729
current price $7.29Tank Pool Horizontal Water Level Float Switch Liquid Level Sensor Ball - 12V 220V 10W,1 x Liquid Level Sensor,Black
Uxcell 55mm Aquarium Tank Water Level Sensor White PP Right Angle Float Switch $8.09
$809
current price $8.09Uxcell 55mm Aquarium Tank Water Level Sensor White PP Right Angle Float Switch
Suodoka Float Water Control Switch Stainless Steel Float Double Point Liquid Level Sensor AC DC 0-110V 9.84 inches / 25.0 cm $15.28
$1528
current price $15.28Suodoka Float Water Control Switch Stainless Steel Float Double Point Liquid Level Sensor AC DC 0-110V 9.84 inches / 25.0 cm
Tizuqe Industrial Grade Water Pump Flow Sensor 90w100w/120w150w Water Flow Switch
Tizuqe Industrial Grade Water Pump Flow Sensor 90w100w/120w150w Water Flow Switch
Saniflo 050 Sanialarm $72.99
$7299
current price $72.99Saniflo 050 Sanialarm
2 out of 5 stars
SENRISE Vertical Stainless Steel Liquid Sensor Horizontal Float Switch 100/150/200/250mm Length From $8.29
From$829
SENRISE Vertical Stainless Steel Liquid Sensor Horizontal Float Switch 100/150/200/250mm Length
Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch $13.59
$1359
current price $13.59Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch
Telemecanique Sensors Water Pump Switch, 1/4in FNPS,10-5 psi 9013FRG42J36 $66.27
$6627
current price $66.27Telemecanique Sensors Water Pump Switch, 1/4in FNPS,10-5 psi 9013FRG42J36
Stainless Steel Breaking Water Level Sensor Horizontal Float Switch $9.28
$928
current price $9.28Stainless Steel Breaking Water Level Sensor Horizontal Float Switch
25mm PP Tank Pool Water Level Liquid Sensor Vertical Float Switch New $7.41
$741
current price $7.4125mm PP Tank Pool Water Level Liquid Sensor Vertical Float Switch New
2pcs Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508 $10.68
$1068
current price $10.682pcs Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508
Clearance, DEEPCRAFF Plated Silver Stainless Steel Float Switch for Accurate Water Level Monitoring $14.26 Was $16.02
Now$1426
current price Now $14.26, Was $16.02$16.02
DEEPCRAFF Plated Silver Stainless Steel Float Switch for Accurate Water Level Monitoring
Xirurus 1pc Floating Switch with 32.8 ft / 10 m Cable Automatical Controlling Pumps Submersible Pump Liquid Level Sensor $34.33
$3433
current price $34.33Xirurus 1pc Floating Switch with 32.8 ft / 10 m Cable Automatical Controlling Pumps Submersible Pump Liquid Level Sensor
Telemecanique Sensors WaterPumpSwitch,Auto/On,2NO,40-20 psi 9013FRG2J23M5 $79.27
$7927
current price $79.27Telemecanique Sensors WaterPumpSwitch,Auto/On,2NO,40-20 psi 9013FRG2J23M5
Telemecanique Sensors Water Pump Switch, 1/4in FNPS,10-5 psi 9013FRG32J36P $134.08
$13408
current price $134.08Telemecanique Sensors Water Pump Switch, 1/4in FNPS,10-5 psi 9013FRG32J36P
Suodoka Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter Industrial Accessory for Liquid Air Dual-Use Equipment and Automation Systems $15.79
$1579
current price $15.79Suodoka Water Flow Sensor Switch with 1/2-inch / 1.27 cm Interface Electromagnetic Flowmeter Industrial Accessory for Liquid Air Dual-Use Equipment and Automation Systems
Other options to consider(220)
Popular in Water Sensor Switch
- Sensor Level Switch
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