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$30.14
$35.50
Drucksensor 4-20Ma,0-10 Volts Water Level Sensor,Submersible Level Sensor 4-20Ma,Sensors TL-136 Liquid Level Transmitter Water Level Sensor Detector
Amazon.com
2
15% off
$30.14
$35.50
Drucksensor 4-20Ma,0-10 Volts Water Level Sensor,Submersible Level Sensor 4-20Ma,Sensors TL-136 Liquid Level Transmitter Water Level Sensor Detector
Amazon.com
2
$69.99
Smart Wifi High/Low Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90Db Siren, LED, IP44 Waterproof, Easy-Install, Prevents
Amazon.com
Free shipping
$69.99
Smart Wifi High/Low Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90Db Siren, LED, IP44 Waterproof, Easy-Install, Prevents
Amazon.com
Free shipping
$39.21
Liquid Level Transmitter, 304 Stainless Steel YB2JF IP68 Multilayer 5m Cable Water Level Sensor Detector 12-32V DC 4-20Ma For Water Level Monitoring (
Amazon.com
Free shipping
$39.21
Liquid Level Transmitter, 304 Stainless Steel YB2JF IP68 Multilayer 5m Cable Water Level Sensor Detector 12-32V DC 4-20Ma For Water Level Monitoring (
Amazon.com
Free shipping
$65.97
$69.99
Zircon Electronic Water Level 25 Contractor Kit With 50 ft Hose And Accessories, Yellow
Amazon.com
93
Free shipping
$65.97
$69.99
Zircon Electronic Water Level 25 Contractor Kit With 50 ft Hose And Accessories, Yellow
Amazon.com
93
$66.49
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm With 110Db Loud Alarm And Large LED Indicator, 10ft Level Float Switch, Ideal For
Amazon.com
88
Free shipping
$66.49
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm With 110Db Loud Alarm And Large LED Indicator, 10ft Level Float Switch, Ideal For
Amazon.com
88
$199.99
Level Sense Pro Wi-Fi Enabled Sump Pump Alarm, Features Include: High Water Alarm, Water Leak Detector, Power Failure Detection, Temperature And
Amazon.com
160
Free shipping
$199.99
Level Sense Pro Wi-Fi Enabled Sump Pump Alarm, Features Include: High Water Alarm, Water Leak Detector, Power Failure Detection, Temperature And
Amazon.com
160
$49.99
Sump Pump Alarm,Sekelo High Water Alarm With 10ft Level Float Switch,110Db Loud Alarm And High Brightness LED Indicator ,IP67 Indoor/Outdoor Use,Ideal
Amazon.com
28
Free shipping
$49.99
Sump Pump Alarm,Sekelo High Water Alarm With 10ft Level Float Switch,110Db Loud Alarm And High Brightness LED Indicator ,IP67 Indoor/Outdoor Use,Ideal
Amazon.com
28
$62.99
Float Switch For Sump Pump -33-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
Amazon.com
646
Free shipping
$62.99
Float Switch For Sump Pump -33-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
Amazon.com
646
$224.60
YJINGRUI 98ft/30m Water Level Meter, Water Well Measurement, Water Level Gauge With Fixed Probe And Steel Tape (Diameter 25mm Probe)
Amazon.com
Free shipping
$224.60
YJINGRUI 98ft/30m Water Level Meter, Water Well Measurement, Water Level Gauge With Fixed Probe And Steel Tape (Diameter 25mm Probe)
Amazon.com
Free shipping
$199.00
$229.00
Flume 2 Smart Home Water Monitor & Leak Detector - Wifi Connected, Real-Time Usage Tracking & Alerts - Works With Compatible Residential Water Meters
Amazon.com
1K+
Free shipping
13% off
$199.00
$229.00
Flume 2 Smart Home Water Monitor & Leak Detector - Wifi Connected, Real-Time Usage Tracking & Alerts - Works With Compatible Residential Water Meters
Amazon.com
1K+
$53.62
Sump Pump Alarm,Water Alarm For Sump Pump With 110Db Loud Alarm And LED Indicator,Sump Alarm System With 10ft Level Float Switch, Weatherproof Sump
Amazon.com
Free shipping
$53.62
Sump Pump Alarm,Water Alarm For Sump Pump With 110Db Loud Alarm And LED Indicator,Sump Alarm System With 10ft Level Float Switch, Weatherproof Sump
Amazon.com
Free shipping
$696.26
Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 108 in. - 144 in. - 925---1120 AS
John M. Ellsworth Co., Inc.
Free shipping
$696.26
Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 108 in. - 144 in. - 925---1120 AS
John M. Ellsworth Co., Inc.
Free shipping
$110.83
Sump Alarm Water Leak Detector: High Level, 120V AC, Auto/Manual, 85 Db, Audio/Visual, 1, IP20 Model: LS-SENTRY-120V-LEAK-2M-RAW
Grainger
$110.83
Sump Alarm Water Leak Detector: High Level, 120V AC, Auto/Manual, 85 Db, Audio/Visual, 1, IP20 Model: LS-SENTRY-120V-LEAK-2M-RAW
Grainger
$19.99
Water Tank Float Valve Designed For Water Level Control, Automatic Filling, Automatic Shut Off, Nylon Resin Water Level Float Valve For Livestock
Amazon.com
$19.99
Water Tank Float Valve Designed For Water Level Control, Automatic Filling, Automatic Shut Off, Nylon Resin Water Level Float Valve For Livestock
Amazon.com
$54.20
$81.44
Scotsman A39030021 Water Level Sensor Scotsman Ice Machines With Accurate Detection | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
33% off
$54.20
$81.44
Scotsman A39030021 Water Level Sensor Scotsman Ice Machines With Accurate Detection | Mavrik | Commercial Restaurant Supply
RestaurantSupply.com
$14.69
4m Cable Float Switch Water Level Controller For Tank Pump Sump Pump, Water Tankfloat Switch For Water Tank
Amazon.com
$14.69
4m Cable Float Switch Water Level Controller For Tank Pump Sump Pump, Water Tankfloat Switch For Water Tank
Amazon.com
$283.16
Integrated Ultrasonic Water Tank Level Gauge Meter Liquid Level Sensor 4-20Ma
eBay
$283.16
Integrated Ultrasonic Water Tank Level Gauge Meter Liquid Level Sensor 4-20Ma
eBay
$55.99
2026 Upgrade Automatic Pool Filler, Pool Water Leveler Auto Fill, Pool Auto Fill Float Valve, Water Leveler Control Sentry, Swimming Pool, Spa, Pond
Amazon.com
523
Free shipping
$55.99
2026 Upgrade Automatic Pool Filler, Pool Water Leveler Auto Fill, Pool Auto Fill Float Valve, Water Leveler Control Sentry, Swimming Pool, Spa, Pond
Amazon.com
523
$17.99
$19.99
Drip Defender Pro Water Sensor | Wi-Fi Water Leak Detector For Home With 100Db Alarm, High Sensitivity, IP66 Waterproof, Easy Installation, Smart
Amazon.com
46
10% off
$17.99
$19.99
Drip Defender Pro Water Sensor | Wi-Fi Water Leak Detector For Home With 100Db Alarm, High Sensitivity, IP66 Waterproof, Easy Installation, Smart
Amazon.com
46
$237.86
Ultrasonic Water Level Sensor Transmitter 0-20m Measuring Gauge Meter 4-20Ma
eBay
Free shipping
$237.86
Ultrasonic Water Level Sensor Transmitter 0-20m Measuring Gauge Meter 4-20Ma
eBay
Free shipping
$623.20
Fisher WLT-300 Water Level Indicator, 300ft
Globaltestsupply.com
$623.20
Fisher WLT-300 Water Level Indicator, 300ft
Globaltestsupply.com
$38.66
$49.95
General Tools MMD4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit LCD Display With Audible And Visual
Amazon.com
14K+
Free shipping
22% off
$38.66
$49.95
General Tools MMD4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit LCD Display With Audible And Visual
Amazon.com
14K+
$32.99
Float Switch For Sump Pump - 16-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
Amazon.com
692
$32.99
Float Switch For Sump Pump - 16-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
Amazon.com
692
$49.99
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm With 1700 ft Transmission Range For Kitchens, Basements, Bathrooms,
Amazon.com
1K+
Free shipping
$49.99
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm With 1700 ft Transmission Range For Kitchens, Basements, Bathrooms,
Amazon.com
1K+
$426.89
Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925---1030 AS
John M. Ellsworth Co., Inc.
$426.89
Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 4 3/4 in. - 36 in. - 925---1030 AS
John M. Ellsworth Co., Inc.
$42.99
Water Leak Detector Sensor Alarm: Water Flooding Monitor For Home Adjustable Wet Moisture Alert Smart Sink Overflow Monitoring Pipe Leakage Drip
Amazon.com
209
Free shipping
$42.99
Water Leak Detector Sensor Alarm: Water Flooding Monitor For Home Adjustable Wet Moisture Alert Smart Sink Overflow Monitoring Pipe Leakage Drip
Amazon.com
209
$185.32
Liberty Pumps Water Alarm: High Level, 120V AC/9V DC, Auto, 86 Db, Audio/Visual, 3 Alarm Inputs, 1 Model: ALM-P1
Grainger
$185.32
Liberty Pumps Water Alarm: High Level, 120V AC/9V DC, Auto, 86 Db, Audio/Visual, 3 Alarm Inputs, 1 Model: ALM-P1
Grainger
$439.97
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-1L-33SB-Wifi
Grainger
$439.97
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-1L-33SB-Wifi
Grainger
$319.00
Hobonet Water Level Sensor Interface - A Wireless Sensor Interface That Works With The Hobonet System For Remote Water Level Monitoring. - 868 Mhz
Onset Computer Corporation
30-day returns (most items)
$319.00
Hobonet Water Level Sensor Interface - A Wireless Sensor Interface That Works With The Hobonet System For Remote Water Level Monitoring. - 868 Mhz
Onset Computer Corporation
30-day returns
$608.00
Moen Flo 1-Inch Smart Water Shut Off Valve, Smart Home Water Monitor Leak Detector, Wifi Connected, App Enabled Flow Meter And Shutoff, 900-006
Amazon.com
994
Free shipping
$608.00
Moen Flo 1-Inch Smart Water Shut Off Valve, Smart Home Water Monitor Leak Detector, Wifi Connected, App Enabled Flow Meter And Shutoff, 900-006
Amazon.com
994
$9.99
Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection
Amazon.com
967
$9.99
Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection
Amazon.com
967
$437.70
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-1L-100F-WIFI
Grainger
$437.70
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-1L-100F-WIFI
Grainger
$180.29
Winland Electronics Water Detection System: Battery-Powered, 83 Db @ 30 Cm, Water Detector And Alarm Model: WB-350
Grainger
$180.29
Winland Electronics Water Detection System: Battery-Powered, 83 Db @ 30 Cm, Water Detector And Alarm Model: WB-350
Grainger
$321.48
Liquid Water Level Sensor Transmitter Ultrasonic 4-20Ma Grain Sewage Gauge 220V
eBay
Free shipping
$321.48
Liquid Water Level Sensor Transmitter Ultrasonic 4-20Ma Grain Sewage Gauge 220V
eBay
Free shipping
$412.42
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-2L-16F-WIFI
Grainger
$412.42
Sump Alarm High Water Alarm: High Level, 120V AC, Auto/Manual, 90 Db, Audio/Visual, 1 Alarm Inputs Model: SA-120V-2L-16F-WIFI
Grainger
$259.11
SJE-Rhombus Water Alarm: High Level, 120V AC, Auto, 85 Db, Audio/Visual, 1 Alarm Inputs, 3R Model: 1009923
Grainger
$259.11
SJE-Rhombus Water Alarm: High Level, 120V AC, Auto, 85 Db, Audio/Visual, 1 Alarm Inputs, 3R Model: 1009923
Grainger
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    Shop water level detector

    Sponsored
    About our ads
    $30.14
    $35.50
    Drucksensor 4-20Ma,0-10 Volts Water Level Sensor,Submersible Level Sensor 4-20Ma,Sensors TL-136 Liquid Level Transmitter Water Level Sensor Detector
    Amazon.com
    2
    15% off
    $30.14
    $35.50
    Drucksensor 4-20Ma,0-10 Volts Water Level Sensor,Submersible Level Sensor 4-20Ma,Sensors TL-136 Liquid Level Transmitter Water Level Sensor Detector
    Amazon.com
    2
    $69.99
    Smart Wifi High/Low Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90Db Siren, LED, IP44 Waterproof, Easy-Install, Prevents
    Amazon.com
    Free shipping
    $69.99
    Smart Wifi High/Low Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90Db Siren, LED, IP44 Waterproof, Easy-Install, Prevents
    Amazon.com
    Free shipping
    $39.21
    Liquid Level Transmitter, 304 Stainless Steel YB2JF IP68 Multilayer 5m Cable Water Level Sensor Detector 12-32V DC 4-20Ma For Water Level Monitoring (
    Amazon.com
    Free shipping
    $39.21
    Liquid Level Transmitter, 304 Stainless Steel YB2JF IP68 Multilayer 5m Cable Water Level Sensor Detector 12-32V DC 4-20Ma For Water Level Monitoring (
    Amazon.com
    Free shipping
    $65.97
    $69.99
    Zircon Electronic Water Level 25 Contractor Kit With 50 ft Hose And Accessories, Yellow
    Amazon.com
    93
    Free shipping
    $65.97
    $69.99
    Zircon Electronic Water Level 25 Contractor Kit With 50 ft Hose And Accessories, Yellow
    Amazon.com
    93
    $66.49
    Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm With 110Db Loud Alarm And Large LED Indicator, 10ft Level Float Switch, Ideal For
    Amazon.com
    88
    Free shipping
    $66.49
    Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm With 110Db Loud Alarm And Large LED Indicator, 10ft Level Float Switch, Ideal For
    Amazon.com
    88
    $199.99
    Level Sense Pro Wi-Fi Enabled Sump Pump Alarm, Features Include: High Water Alarm, Water Leak Detector, Power Failure Detection, Temperature And
    Amazon.com
    160
    Free shipping
    $199.99
    Level Sense Pro Wi-Fi Enabled Sump Pump Alarm, Features Include: High Water Alarm, Water Leak Detector, Power Failure Detection, Temperature And
    Amazon.com
    160
    $49.99
    Sump Pump Alarm,Sekelo High Water Alarm With 10ft Level Float Switch,110Db Loud Alarm And High Brightness LED Indicator ,IP67 Indoor/Outdoor Use,Ideal
    Amazon.com
    28
    Free shipping
    $49.99
    Sump Pump Alarm,Sekelo High Water Alarm With 10ft Level Float Switch,110Db Loud Alarm And High Brightness LED Indicator ,IP67 Indoor/Outdoor Use,Ideal
    Amazon.com
    28
    $62.99
    Float Switch For Sump Pump -33-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
    Amazon.com
    646
    Free shipping
    $62.99
    Float Switch For Sump Pump -33-Foot Water Level Sensor With Honeywell Microswitch And Adjustable Tether Length For Ground Water Bilge Pump And Water
    Amazon.com
    646
    $224.60
    YJINGRUI 98ft/30m Water Level Meter, Water Well Measurement, Water Level Gauge With Fixed Probe And Steel Tape (Diameter 25mm Probe)
    Amazon.com
    Free shipping
    $224.60
    YJINGRUI 98ft/30m Water Level Meter, Water Well Measurement, Water Level Gauge With Fixed Probe And Steel Tape (Diameter 25mm Probe)
    Amazon.com
    Free shipping
    $199.00
    $229.00
    Flume 2 Smart Home Water Monitor & Leak Detector - Wifi Connected, Real-Time Usage Tracking & Alerts - Works With Compatible Residential Water Meters
    Amazon.com
    1K+
    Free shipping
    13% off
    $199.00
    $229.00
    Flume 2 Smart Home Water Monitor & Leak Detector - Wifi Connected, Real-Time Usage Tracking & Alerts - Works With Compatible Residential Water Meters
    Amazon.com
    1K+
    $53.62
    Sump Pump Alarm,Water Alarm For Sump Pump With 110Db Loud Alarm And LED Indicator,Sump Alarm System With 10ft Level Float Switch, Weatherproof Sump
    Amazon.com
    Free shipping
    $53.62
    Sump Pump Alarm,Water Alarm For Sump Pump With 110Db Loud Alarm And LED Indicator,Sump Alarm System With 10ft Level Float Switch, Weatherproof Sump
    Amazon.com
    Free shipping
    $696.26
    Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 108 in. - 144 in. - 925---1120 AS
    John M. Ellsworth Co., Inc.
    Free shipping
    $696.26
    Morrison Bros. 925 Series Brass Multi-Level Liquid Level Tank Sensor W/ 1 Float - 108 in. - 144 in. - 925---1120 AS
    John M. Ellsworth Co., Inc.
    Free shipping
    $110.83
    Sump Alarm Water Leak Detector: High Level, 120V AC, Auto/Manual, 85 Db, Audio/Visual, 1, IP20 Model: LS-SENTRY-120V-LEAK-2M-RAW
    Grainger
    $110.83
    Sump Alarm Water Leak Detector: High Level, 120V AC, Auto/Manual, 85 Db, Audio/Visual, 1, IP20 Model: LS-SENTRY-120V-LEAK-2M-RAW
    Grainger
    $19.99
    Water Tank Float Valve Designed For Water Level Control, Automatic Filling, Automatic Shut Off, Nylon Resin Water Level Float Valve For Livestock
    Amazon.com
    $19.99
    Water Tank Float Valve Designed For Water Level Control, Automatic Filling, Automatic Shut Off, Nylon Resin Water Level Float Valve For Livestock
    Amazon.com
    $54.20
    $81.44
    Scotsman A39030021 Water Level Sensor Scotsman Ice Machines With Accurate Detection | Mavrik | Commercial Restaurant Supply
    RestaurantSupply.com
    33% off
    $54.20
    $81.44
    Scotsman A39030021 Water Level Sensor Scotsman Ice Machines With Accurate Detection | Mavrik | Commercial Restaurant Supply
    RestaurantSupply.com
    $14.69
    4m Cable Float Switch Water Level Controller For Tank Pump Sump Pump, Water Tankfloat Switch For Water Tank
    Amazon.com
    $14.69
    4m Cable Float Switch Water Level Controller For Tank Pump Sump Pump, Water Tankfloat Switch For Water Tank
    Amazon.com
    $283.16
    Integrated Ultrasonic Water Tank Level Gauge Meter Liquid Level Sensor 4-20Ma
    eBay
    $283.16
    Integrated Ultrasonic Water Tank Level Gauge Meter Liquid Level Sensor 4-20Ma
    eBay
    $55.99
    2026 Upgrade Automatic Pool Filler, Pool Water Leveler Auto Fill, Pool Auto Fill Float Valve, Water Leveler Control Sentry, Swimming Pool, Spa, Pond
    Amazon.com
    523
    Free shipping
    $55.99
    2026 Upgrade Automatic Pool Filler, Pool Water Leveler Auto Fill, Pool Auto Fill Float Valve, Water Leveler Control Sentry, Swimming Pool, Spa, Pond
    Amazon.com
    523