Shop how to build a water sensor

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$107.19
U.S. Solid Water Leak Detector - Water Leak Detect And Protect System With 3/4" Brass Motorized Ball Valve, Controller And 3 Sensors
Amazon.com
8
Free shipping
$107.19
U.S. Solid Water Leak Detector - Water Leak Detect And Protect System With 3/4" Brass Motorized Ball Valve, Controller And 3 Sensors
Amazon.com
8
$180.75
Floodstop Water Heater Leak Detector Kit With Automatic Water Shut-Off And Visual/Audible Alarms, 3/4" NPT MIP X FIP
Amazon.com
3
Free shipping
$180.75
Floodstop Water Heater Leak Detector Kit With Automatic Water Shut-Off And Visual/Audible Alarms, 3/4" NPT MIP X FIP
Amazon.com
3
$31.99
$39.99
5 Pack Water Leak Detectors For Home, 100Db Water Sensor Alarm For Basement,Flood Leakage Detection Devices For Pipe/Drain/Sink/Faucet Drip Alert,
Amazon.com
452
20% off
$31.99
$39.99
5 Pack Water Leak Detectors For Home, 100Db Water Sensor Alarm For Basement,Flood Leakage Detection Devices For Pipe/Drain/Sink/Faucet Drip Alert,
Amazon.com
452
$729.95
Water Level Sensor
Environmental Test Products
$729.95
Water Level Sensor
Environmental Test Products
$1,045.00
Hoffman 23130608 Water Control Package Copper Black Pressure Sensor Kit
New Feedonomics Feed - ARC 8/12/2025
$1,045.00
Hoffman 23130608 Water Control Package Copper Black Pressure Sensor Kit
New Feedonomics Feed - ARC 8/12/2025
$204.10
Monnit Corporation MNS2-9-W2-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$204.10
Monnit Corporation MNS2-9-W2-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$580.25
Water Level Sensor Closed Reel
Environmental Test Products
$580.25
Water Level Sensor Closed Reel
Environmental Test Products
$9.90
Seeed Studio 101020635 Water Level Sensor Brd, Arduino/Rpi Brd | Sensors
Newark
$9.90
Seeed Studio 101020635 Water Level Sensor Brd, Arduino/Rpi Brd | Sensors
Newark
$19.99
The Basement Watchdog 3.25 in. H X 2.3 in. W X 1 in. L Water Alarm For BW-WA360
Ace Hardware
255
$19.99
The Basement Watchdog 3.25 in. H X 2.3 in. W X 1 in. L Water Alarm For BW-WA360
Ace Hardware
255
$399.00
Water Level Sensor: probe guided wave radar, 1570mm maximum sensing range (PN# GWR-1600-P)
Automation Direct
2
$399.00
Water Level Sensor: probe guided wave radar, 1570mm maximum sensing range (PN# GWR-1600-P)
Automation Direct
2
$200.79
Monnit Corporation MNS2-9-W1-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$200.79
Monnit Corporation MNS2-9-W1-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$814.93
Morrison Bros. 925 Series Stainless Steel Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925S--1030 AS
John M. Ellsworth Co., Inc.
Free shipping
$814.93
Morrison Bros. 925 Series Stainless Steel Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925S--1030 AS
John M. Ellsworth Co., Inc.
Free shipping
$42.99
$49.99
Govee Wi-Fi Water Sensors Alarm
Govee-US
1
14% off
$42.99
$49.99
Govee Wi-Fi Water Sensors Alarm
Govee-US
1
$74.19
Refco 4678546 Aquaswitch Electronic Water Sensor Switch (24V AC/DC) | Supplyhouse.Com
SupplyHouse.com
$74.19
Refco 4678546 Aquaswitch Electronic Water Sensor Switch (24V AC/DC) | Supplyhouse.Com
SupplyHouse.com
$14.95
Water Sensor Tether | Extended Leak Detection Coverage
Sensored Life
$14.95
Water Sensor Tether | Extended Leak Detection Coverage
Sensored Life
$241.00
$338.00
Grohe Sense Water Security Kit - Smart Water Sensor & Shut-Off System
Perigold
1
Free shipping
28% off
$241.00
$338.00
Grohe Sense Water Security Kit - Smart Water Sensor & Shut-Off System
Perigold
1
$29.00
Pro Series PS-WS360 - 360 Degrees Water Sensor For Pro Series PWA2 Water Alarm
Sump Pumps Direct
$29.00
Pro Series PS-WS360 - 360 Degrees Water Sensor For Pro Series PWA2 Water Alarm
Sump Pumps Direct
$59.99
$99.95
Smart Home Flood Water Leakage Alarm Detector Sensor
Until Times Up
39% off
$59.99
$99.95
Smart Home Flood Water Leakage Alarm Detector Sensor
Until Times Up
$36.99
$54.99
Goveelife Water Leak Detector 1S, 1 Wi-Fi Gateway+3 Sensors
Govee-US
32% off
$36.99
$54.99
Goveelife Water Leak Detector 1S, 1 Wi-Fi Gateway+3 Sensors
Govee-US
$75.99
$116.99
Goveelife Water Leak Detector 1S, 1 Wi-Fi Gateway+8 Sensors
Govee-US
35% off
$75.99
$116.99
Goveelife Water Leak Detector 1S, 1 Wi-Fi Gateway+8 Sensors
Govee-US
$49.99
Phyn Smart Water Sensor
Conservation Mart
$49.99
Phyn Smart Water Sensor
Conservation Mart
$54.08
Raypak 010787F Water Sensor, 010787F | Supplyhouse.Com
SupplyHouse.com
6
$54.08
Raypak 010787F Water Sensor, 010787F | Supplyhouse.Com
SupplyHouse.com
6
$8.99
$12.99
IKEA - BADRING Water Leak Sensor, Smart
IKEA
83
30% off
$8.99
$12.99
IKEA - BADRING Water Leak Sensor, Smart
IKEA
83
$79.77
Honeywell C7031D2003 5" PT1000 Hot Or Chilled Water Sensor W/ Well | Supplyhouse.Com
SupplyHouse.com
3
$79.77
Honeywell C7031D2003 5" PT1000 Hot Or Chilled Water Sensor W/ Well | Supplyhouse.Com
SupplyHouse.com
3
$26.00
Pro Series Water Sensor For PWA2, DFC2, VSC2 & TSC2
Sump Pumps Direct
$26.00
Pro Series Water Sensor For PWA2, DFC2, VSC2 & TSC2
Sump Pumps Direct
$10.97
Honeywell Reusable Water Leak Alarm RWD21
Conservation Mart
2K+
$10.97
Honeywell Reusable Water Leak Alarm RWD21
Conservation Mart
2K+
$7.99
IKEA - KLIPPBOK Water Leak Sensor, Smart, Height: 1 "
IKEA
$7.99
IKEA - KLIPPBOK Water Leak Sensor, Smart, Height: 1 "
IKEA
$52.49
Water Sensor Kit W/O Lite
Advantage Truck Group
$52.49
Water Sensor Kit W/O Lite
Advantage Truck Group
$137.99
Midmark Water Level Tube Sensors - Water Level Sensor Tube For M9 And M11 Model - 002-0358-00 - 1 Each / Each
Grayline Medical
$137.99
Midmark Water Level Tube Sensors - Water Level Sensor Tube For M9 And M11 Model - 002-0358-00 - 1 Each / Each
Grayline Medical
$80.10
Nilfisk NF9100001818 Sensor Water Level Kit For Clarke Viper And Advance Machines
Cleaning Stuff
$80.10
Nilfisk NF9100001818 Sensor Water Level Kit For Clarke Viper And Advance Machines
Cleaning Stuff
$92.79
Aaon R07240 Sensor - Water Temperature - 40ft - Probes & Sensors
Parts Town
$92.79
Aaon R07240 Sensor - Water Temperature - 40ft - Probes & Sensors
Parts Town
$9.71
LED Water Sensor Diyas, Pack Of 12/24 Diyas, Water Magic Diya Reusable, Eco Friendly
Etsy
$9.71
LED Water Sensor Diyas, Pack Of 12/24 Diyas, Water Magic Diya Reusable, Eco Friendly
Etsy
$1,104.00
Sense Guard Water Security Kit
Perigold
2
Free shipping
29% off
$1,104.00
Sense Guard Water Security Kit
Perigold
2
$299.00
Phyn Smart Water Assistant
Conservation Mart
$299.00
Phyn Smart Water Assistant
Conservation Mart
$122.33
$169.35
Scotsman A39790001 Water Sensor Assy | Kitchen Restock
Kitchen Restock
27% off
$122.33
$169.35
Scotsman A39790001 Water Sensor Assy | Kitchen Restock
Kitchen Restock
$191.99
Water Leak Detection Sensor, 12-24 VDC Working Voltage, RS485 Output
L-com Global Connectivity
$191.99
Water Leak Detection Sensor, 12-24 VDC Working Voltage, RS485 Output
L-com Global Connectivity
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Shop how to build a water sensor

Sponsored
About our ads
$107.19
U.S. Solid Water Leak Detector - Water Leak Detect And Protect System With 3/4" Brass Motorized Ball Valve, Controller And 3 Sensors
Amazon.com
8
Free shipping
$107.19
U.S. Solid Water Leak Detector - Water Leak Detect And Protect System With 3/4" Brass Motorized Ball Valve, Controller And 3 Sensors
Amazon.com
8
$180.75
Floodstop Water Heater Leak Detector Kit With Automatic Water Shut-Off And Visual/Audible Alarms, 3/4" NPT MIP X FIP
Amazon.com
3
Free shipping
$180.75
Floodstop Water Heater Leak Detector Kit With Automatic Water Shut-Off And Visual/Audible Alarms, 3/4" NPT MIP X FIP
Amazon.com
3
$31.99
$39.99
5 Pack Water Leak Detectors For Home, 100Db Water Sensor Alarm For Basement,Flood Leakage Detection Devices For Pipe/Drain/Sink/Faucet Drip Alert,
Amazon.com
452
20% off
$31.99
$39.99
5 Pack Water Leak Detectors For Home, 100Db Water Sensor Alarm For Basement,Flood Leakage Detection Devices For Pipe/Drain/Sink/Faucet Drip Alert,
Amazon.com
452
$729.95
Water Level Sensor
Environmental Test Products
$729.95
Water Level Sensor
Environmental Test Products
$1,045.00
Hoffman 23130608 Water Control Package Copper Black Pressure Sensor Kit
New Feedonomics Feed - ARC 8/12/2025
$1,045.00
Hoffman 23130608 Water Control Package Copper Black Pressure Sensor Kit
New Feedonomics Feed - ARC 8/12/2025
$204.10
Monnit Corporation MNS2-9-W2-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$204.10
Monnit Corporation MNS2-9-W2-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$580.25
Water Level Sensor Closed Reel
Environmental Test Products
$580.25
Water Level Sensor Closed Reel
Environmental Test Products
$9.90
Seeed Studio 101020635 Water Level Sensor Brd, Arduino/Rpi Brd | Sensors
Newark
$9.90
Seeed Studio 101020635 Water Level Sensor Brd, Arduino/Rpi Brd | Sensors
Newark
$19.99
The Basement Watchdog 3.25 in. H X 2.3 in. W X 1 in. L Water Alarm For BW-WA360
Ace Hardware
255
$19.99
The Basement Watchdog 3.25 in. H X 2.3 in. W X 1 in. L Water Alarm For BW-WA360
Ace Hardware
255
$399.00
Water Level Sensor: probe guided wave radar, 1570mm maximum sensing range (PN# GWR-1600-P)
Automation Direct
2
$399.00
Water Level Sensor: probe guided wave radar, 1570mm maximum sensing range (PN# GWR-1600-P)
Automation Direct
2
$200.79
Monnit Corporation MNS2-9-W1-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$200.79
Monnit Corporation MNS2-9-W1-WS-WR SENSOR WATER ROPE SENSOR 900MHZ
DigiKey
$814.93
Morrison Bros. 925 Series Stainless Steel Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925S--1030 AS
John M. Ellsworth Co., Inc.
Free shipping
$814.93
Morrison Bros. 925 Series Stainless Steel Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925S--1030 AS
John M. Ellsworth Co., Inc.
Free shipping
$42.99
$49.99
Govee Wi-Fi Water Sensors Alarm
Govee-US
1
14% off
$42.99
$49.99
Govee Wi-Fi Water Sensors Alarm
Govee-US
1
$74.19
Refco 4678546 Aquaswitch Electronic Water Sensor Switch (24V AC/DC) | Supplyhouse.Com
SupplyHouse.com
$74.19
Refco 4678546 Aquaswitch Electronic Water Sensor Switch (24V AC/DC) | Supplyhouse.Com
SupplyHouse.com
$14.95
Water Sensor Tether | Extended Leak Detection Coverage
Sensored Life
$14.95
Water Sensor Tether | Extended Leak Detection Coverage
Sensored Life
$241.00
$338.00
Grohe Sense Water Security Kit - Smart Water Sensor & Shut-Off System
Perigold
1
Free shipping
28% off
$241.00
$338.00
Grohe Sense Water Security Kit - Smart Water Sensor & Shut-Off System
Perigold
1
$29.00
Pro Series PS-WS360 - 360 Degrees Water Sensor For Pro Series PWA2 Water Alarm
Sump Pumps Direct
$29.00
Pro Series PS-WS360 - 360 Degrees Water Sensor For Pro Series PWA2 Water Alarm
Sump Pumps Direct
$59.99
$99.95
Smart Home Flood Water Leakage Alarm Detector Sensor
Until Times Up
39% off
$59.99
$99.95
Smart Home Flood Water Leakage Alarm Detector Sensor
Until Times Up