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Air QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyBathroom PlumbingBrackets and Angle IronsCar Emergency SuppliesDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareElectrical ToolsElectronic Communication ComponentsEmergency SuppliesFastenersFire SafetyFlashlightsFurniture HardwareGarage Door Openers and HardwareGate HardwareGatesGuttering & DrainageHand ToolsHardware KnobsHome SafetyKitchen HardwareKitchen PlumbingLight BulbsMechanics ToolsPaint Supplies & ToolsPersonal PreparednessPipes, Fittings & AccessoriesPower Tool AccessoriesPower ToolsSolar AccessoriesSolar Charge ControllerSolderingStorm & Flood PrepSurveillanceThermostatsTool Equipment & StorageValves & Valve RepairWater HeatersWater Heaters, Pumps & TanksWildfire Prep
Water Sensor Switch(190)
Uses item details. Price when purchased online
Briidea LD-078 110dB, Switch Household Sensors & Alarms $69.99
Sponsored
$6999
current price $69.99Briidea LD-078 110dB, Switch Household Sensors & Alarms
24 out of 5 Stars. 2 reviews
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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 $16.99
Sponsored
From$1699
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
254.6 out of 5 Stars. 25 reviews
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Rollback 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 $23.79
Sponsored
From$2379
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
143.7 out of 5 Stars. 14 reviews
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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
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
424.6 out of 5 Stars. 42 reviews
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Water Flow Switch, Pump Sensor Stable G 3/4" -3/4" 1 PCS for Household Low Pressure $12.72
$1272
current price $12.72Water Flow Switch, Pump Sensor Stable G 3/4" -3/4" 1 PCS for Household Low Pressure
Telemecanique Sensors Water Pump Switch, 1/4in FNPS,30-50 psi 9013FSG2J21PC20 $46.19
$4619
current price $46.19Telemecanique Sensors Water Pump Switch, 1/4in FNPS,30-50 psi 9013FSG2J21PC20
Plastic Water Flow Switch Vertical/Horizontal Water Sensor Magnetic AC 220V $9.43
$943
current price $9.43Plastic Water Flow Switch Vertical/Horizontal Water Sensor Magnetic AC 220V
Sump Alarm Water Level Float Switch,15ft,w/ Brckts $24.99
$2499
current price $24.99Sump Alarm Water Level Float Switch,15ft,w/ Brckts
13 out of 5 Stars. 1 reviews
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Hi-Lo Sump Pump Switch, Ortis Electronic Adjustable Float Switch Controller with Stainless Steel Anti-Corrosion Dual Sensors, for Sewage Pits, Fish Tanks, Water Tanks, 220/110 VAC, Black $59.99
$5999
current price $59.99Hi-Lo Sump Pump Switch, Ortis Electronic Adjustable Float Switch Controller with Stainless Steel Anti-Corrosion Dual Sensors, for Sewage Pits, Fish Tanks, Water Tanks, 220/110 VAC, Black
15 out of 5 Stars. 1 reviews
Baoblaze Stainless Steel Float Switch Durable Float Sensor Switch for Water Pump Tank 100mm From $15.99
3 options
Available in additional 3 optionsFrom$1599
Baoblaze Stainless Steel Float Switch Durable Float Sensor Switch for Water Pump Tank 100mm
Best seller TOPGREENER PIR Motion Sensor Light Switch, Occupancy & Vacancy Motion Sensor Switch, 𝐎𝐩𝐞𝐫𝐚𝐛𝐥𝐞 𝐖𝐢𝐭𝐡𝐨𝐮𝐭 𝐆𝐫𝐨𝐮𝐧𝐝 𝐖𝐢𝐫𝐞, No Neutral Wire, Single Pole, TDOS5-HL-W-2PCS, White From $20.99
Sponsored
From$2099
TOPGREENER PIR Motion Sensor Light Switch, Occupancy & Vacancy Motion Sensor Switch, 𝐎𝐩𝐞𝐫𝐚𝐛𝐥𝐞 𝐖𝐢𝐭𝐡𝐨𝐮𝐭 𝐆𝐫𝐨𝐮𝐧𝐝 𝐖𝐢𝐫𝐞, No Neutral Wire, Single Pole, TDOS5-HL-W-2PCS, White
174.1 out of 5 Stars. 17 reviews
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TOPGREENER Motion Sensor Switch, PIR Sensor Light Switch, Operable Without Ground Wire, No Neutral Wire Required, 150W Dimmable LED, TSOS5-KM-W-2PCS, White, 2 Pack From $32.39
Sponsored
From$3239
TOPGREENER Motion Sensor Switch, PIR Sensor Light Switch, Operable Without Ground Wire, No Neutral Wire Required, 150W Dimmable LED, TSOS5-KM-W-2PCS, White, 2 Pack
32.7 out of 5 Stars. 3 reviews
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SENRISE Side Mount Duckbill Float Switch Liquid Water Sensor Stainless Steel (withour mercury) From $10.72
4 options
Available in additional 4 optionsFrom$1072
SENRISE Side Mount Duckbill Float Switch Liquid Water Sensor Stainless Steel (withour mercury)
HT800 One 1 Inch Water Pump Flow Sensor Switch Liquid Booster Solar Heater Brass Magnetic Pressure Automatic Control Valve Part ,Durable Construction
HT800 One 1 Inch Water Pump Flow Sensor Switch Liquid Booster Solar Heater Brass Magnetic Pressure Automatic Control Valve Part ,Durable Construction
Quaqdae Xh-M203 Full Automatic Water Level Controller Pump Switch Module 12V Relay Sensors $11.39 Was $22.77
Now$1139
current price Now $11.39, Was $22.77$22.77
Quaqdae Xh-M203 Full Automatic Water Level Controller Pump Switch Module 12V Relay Sensors
Best seller X-Sense Wi-Fi Water Sensor, Accessory for SWS54 Water Sensor Kit, SBS50 Base Station Required, Model SWS51, 1-Pack From $12.99
3 options
Available in additional 3 optionsFrom$1299
X-Sense Wi-Fi Water Sensor, Accessory for SWS54 Water Sensor Kit, SBS50 Base Station Required, Model SWS51, 1-Pack
1254.6 out of 5 Stars. 125 reviews
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tegongse Water Flow Switch with G3/4" Thread & Temperature Detection Liquid Flow Sensor Switch Quick Connection for Household $12.50
$1250
current price $12.50tegongse Water Flow Switch with G3/4" Thread & Temperature Detection Liquid Flow Sensor Switch Quick Connection for Household
120W Pump Water Flow Sensor Switch 1/2 inch 3/4 inch Male Thread to Female Thread Automatic Water Booster Pump Sensor Switch From $35.65
2 options
Available in additional 2 optionsFrom$3565
120W Pump Water Flow Sensor Switch 1/2 inch 3/4 inch Male Thread to Female Thread Automatic Water Booster Pump Sensor Switch
Water Level Sensor White PP Right Angle Float Switch $7.99
$799
current price $7.99Water Level Sensor White PP Right Angle Float Switch
1/2PT Liquid Water Level Sensor Horizontal Mounting Floating Switch 70W DC220V $16.08
$1608
current price $16.081/2PT Liquid Water Level Sensor Horizontal Mounting Floating Switch 70W DC220V
TOPGREENER Motion Sensor PIR Light Switch, Occupancy & Vacancy Modes, No Neutral Required, Operable Without Ground Wire, 1.25A, 150W Dimmable LED, Single Pole, TDOS5-KM-W, White 2-Pack From $29.99
Sponsored
From$2999
TOPGREENER Motion Sensor PIR Light Switch, Occupancy & Vacancy Modes, No Neutral Required, Operable Without Ground Wire, 1.25A, 150W Dimmable LED, Single Pole, TDOS5-KM-W, White 2-Pack
15 out of 5 Stars. 1 reviews
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TOPGREENER PIR Motion Sensor Switch, Occupancy & Vacancy Modes, No Neutral Wire Required, Ground Wire Required, 5A, 360W LED/CFL, Single Pole, TDOS5 From $19.99
Sponsored
From$1999
TOPGREENER PIR Motion Sensor Switch, Occupancy & Vacancy Modes, No Neutral Wire Required, Ground Wire Required, 5A, 360W LED/CFL, Single Pole, TDOS5
43 out of 5 Stars. 4 reviews
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Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black $13.48
$1348
current price $13.48Float Switch Fluid Water Level Sensing Switch Sensor 12V 24V 1Pc Black
Clearance Plastic Water Flow Switch Vertical/Horizontal Water Sensor Magnetic AC 220V $7.83 Was $18.00
Now$783
current price Now $7.83, Was $18.00$18.00
Plastic Water Flow Switch Vertical/Horizontal Water Sensor Magnetic AC 220V
2pcs Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508 $12.16
$1216
current price $12.162pcs Water Liquid Level Sensor Vertical Float Switch 36mm ZP2508
Clearance Lerpwige Compact Water Flow Sensor 1/4" Hall Effect Water Flow Control Switch 1.8~5V $16.97 Was $18.96
Now$1697
current price Now $16.97, Was $18.96$18.96
Lerpwige Compact Water Flow Sensor 1/4" Hall Effect Water Flow Control Switch 1.8~5V
SENRISE Vertical Stainless Steel Liquid Sensor Horizontal Float Switch 100/150/200/250mm Length From $7.88
From$788
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 $13.49
$1349
current price $13.49Vertical Stainless Steel Dual Ball Tank Liquid Water Level Sensor Float Switch
60x50x25mm Water Levels Control Switches With 0.30dB Bandwidth Sensorings And 10A Relays For Pumps Systems $9.38
$938
current price $9.3860x50x25mm Water Levels Control Switches With 0.30dB Bandwidth Sensorings And 10A Relays For Pumps Systems
Professional Water Flow Sensor Switchs DN20 External Threaded Flow Sensor $22.12
$2212
current price $22.12Professional Water Flow Sensor Switchs DN20 External Threaded Flow Sensor
TOPGREENER Humidity Sensor Switch for Ventilation Fan, Air Moisture Detection, Bathroom Automated Control, Adjustable Timing, Neutral Wire Required, White $21.49
Sponsored
$2149
current price $21.49TOPGREENER Humidity Sensor Switch for Ventilation Fan, Air Moisture Detection, Bathroom Automated Control, Adjustable Timing, Neutral Wire Required, White
23 out of 5 Stars. 2 reviews
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TOPGREENER Dual Tech Humidity Sensor Switch PIR Motion & Air Moisture Detection Bathroom Fan & Light Control NEUTRAL WIRE REQUIRED UL Listed TDHOS5 From $49.99
Sponsored
From$4999
TOPGREENER Dual Tech Humidity Sensor Switch PIR Motion & Air Moisture Detection Bathroom Fan & Light Control NEUTRAL WIRE REQUIRED UL Listed TDHOS5
14 out of 5 Stars. 1 reviews
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DiversiTech WS-1 Wet Switch Flood Detector $79.87
$7987
current price $79.87DiversiTech WS-1 Wet Switch Flood Detector
23 out of 5 Stars. 2 reviews
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WINDLAND Motion Sensor Switchs USB 5V PIR Sensor LED Switches Controller for LED Strip Light USB Fan Pet Water Pump and more $9.92
$992
current price $9.92WINDLAND Motion Sensor Switchs USB 5V PIR Sensor LED Switches Controller for LED Strip Light USB Fan Pet Water Pump and more
Sensor Module,Relay Switch Circuit Liquid Water Relay 12v Water Liquid 12v Water Xibany Rookin Buzhi Yorten Dsfen $9.05
$905
current price $9.05Sensor Module,Relay Switch Circuit Liquid Water Relay 12v Water Liquid 12v Water Xibany Rookin Buzhi Yorten Dsfen
Water pump flow switch High Temperature 120W Circulation Pump Water Flow Sensor Switch Female Thread to Male Thread
2 options
Available in additional 2 optionsWater pump flow switch High Temperature 120W Circulation Pump Water Flow Sensor Switch Female Thread to Male Thread
Unique Bargains Stainless Steel Tank Pool Water Level Sensor Vertical Float Switch 34cm Cable $16.87
$1687
current price $16.87Unique Bargains Stainless Steel Tank Pool Water Level Sensor Vertical Float Switch 34cm Cable
Sinyiin Stable Water Level Detection Switches 0.3dB Sensorings 10A Relays 220V Pump Compatible $10.36
$1036
current price $10.36Sinyiin Stable Water Level Detection Switches 0.3dB Sensorings 10A Relays 220V Pump Compatible
2pcs ZP2508 220V Normally Closed Low Pressure Float Switch Mini PP Tank Pool Water Liquid Level Sensor Vertical Float Switch $13.99
$1399
current price $13.992pcs ZP2508 220V Normally Closed Low Pressure Float Switch Mini PP Tank Pool Water Liquid Level Sensor Vertical Float Switch
Reduced price 1/4" Hall Effect Water Flow Sensor Switch Water Control Valve Used for IC Card $16.37 Was $18.39
Now$1637
current price Now $16.37, Was $18.39$18.39
1/4" Hall Effect Water Flow Sensor Switch Water Control Valve Used for IC Card
12V Water Level Automatic Control Liquid Level Sensor Switch Control Relay Board Motor Pump Automatic Control Relay Board
12V Water Level Automatic Control Liquid Level Sensor Switch Control Relay Board Motor Pump Automatic Control Relay Board
Mosiee Water Pump Switch 12V Water Level Automatic Control Liquid Level Sensor Switch Control Relay Board Replacement Power Tools Parts
Mosiee Water Pump Switch 12V Water Level Automatic Control Liquid Level Sensor Switch Control Relay Board Replacement Power Tools Parts
lanema 1/4" Hall Effect Water Flow Sensor Switch Water Control Valve Used for IC Card $17.26 Was $19.29
Now$1726
current price Now $17.26, Was $19.29$19.29
lanema 1/4" Hall Effect Water Flow Sensor Switch Water Control Valve Used for IC Card
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
11 out of 5 Stars. 1 reviews
Yammee Water Flow Switch Water Flow Control Switch Water Pump Adjustable Flow Sensor G1/2 to G1/2/G3/4 to G1/2 Thread Connector From $11.87
From$1187
Yammee Water Flow Switch Water Flow Control Switch Water Pump Adjustable Flow Sensor G1/2 to G1/2/G3/4 to G1/2 Thread Connector
Unique Bargains 2 Pieces Water Level Monitor Sensor Right Angle Float Switches ZPC1 White $9.99
$999
current price $9.99Unique Bargains 2 Pieces Water Level Monitor Sensor Right Angle Float Switches ZPC1 White
25mm PP Tank Pool Water Level Liquid Sensor Vertical Float Switch New $7.35
$735
current price $7.3525mm PP Tank Pool Water Level Liquid Sensor Vertical Float Switch New
Instantaneous Flow Switch Sen-Fb21Wa Flow Switch Pressure Resistance 1.2Mpa Efficient Water Heating Sensor Customizable Switch
Instantaneous Flow Switch Sen-Fb21Wa Flow Switch Pressure Resistance 1.2Mpa Efficient Water Heating Sensor Customizable Switch
Sensor Module,Relay Switch Circuit 12v Water Liquid 12v Water Eryue Qisuo Hxber Rookin Mewmewcat $9.13
$913
current price $9.13Sensor Module,Relay Switch Circuit 12v Water Liquid 12v Water Eryue Qisuo Hxber Rookin Mewmewcat
GLFILL Waterproof Float Switch Water Tank Liquid Fluid Water Level Controller Sensor From $26.03
2 options
Available in additional 2 optionsFrom$2603
GLFILL Waterproof Float Switch Water Tank Liquid Fluid Water Level Controller Sensor
Other options to consider(212)
Popular in Water Sensor Switch
- Hall Effect Switch
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- Pool Alarms
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Bea Active Infrared Sensor for Request 10R2E-100$180.99current price $180.99Water Leak Monitoring Sensor with Alarm 3 Pack - Leak Puppy Electronic Water & Flood Leak Detector - Detects as Little as 1/32" of Water - Overflow Alert Sensor Beeps Loudly When Water is Detected
Water Leak Monitoring Sensor with Alarm 3 Pack - Leak Puppy Electronic Water & Flood Leak Detector - Detects as Little as 1/32" of Water - Overflow Alert Sensor Beeps Loudly When Water is Detected$31.96current price $31.96Water Leak Spot Alarm e For Water Detection System ASD16 Spot Detection Sensor Integrated Water Level Detection Sensor ,Easy to Use
Water Leak Spot Alarm e For Water Detection System ASD16 Spot Detection Sensor Integrated Water Level Detection Sensor ,Easy to Use$54.42current price $54.42IDENTER Water Leak Detector with Sensor Alarm, Power Insufficient Detection, Auto Shut-Off, Water-Saving, Home Assistant, Automation Improvement for Bathroom, Laundry, Basement, Kitchen
IDENTER Water Leak Detector with Sensor Alarm, Power Insufficient Detection, Auto Shut-Off, Water-Saving, Home Assistant, Automation Improvement for Bathroom, Laundry, Basement, Kitchen$33.99current price $33.99ZigBee TUYA Smart Water Leak Detector, Flood Sensor, Remote Monitoring Via Tuya Zigbee Gateway, Water Tank Full Alarm
ZigBee TUYA Smart Water Leak Detector, Flood Sensor, Remote Monitoring Via Tuya Zigbee Gateway, Water Tank Full Alarm$10.54current price $10.54YoLink Smart Water Leak Sensor, 1/4 mile Range White Smart Household Water Sensor 3 Pack
YoLink Smart Water Leak Sensor, 1/4 mile Range White Smart Household Water Sensor 3 Pack$49.99current price $49.99Schneider Electric Electronic Alarm,12/24VAC/DC,0.280AC,Blk XVS72BMBN
Schneider Electric Electronic Alarm,12/24VAC/DC,0.280AC,Blk XVS72BMBN$222.08current price $222.08Air Products & Controls Remote Alarm Accessory,4-1/2" L MS-RH/KA/P/A/T
Air Products & Controls Remote Alarm Accessory,4-1/2" L MS-RH/KA/P/A/T$103.82current price $103.82
