Water leak detectors

298 products

Saniflo Sani Alarm -1095

~~£62.99~~

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Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Wireless Water Alarm Sensor, Smartphone Push Notifications, TUYA/Smart Life App (1/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Wireless Water Alarm Sensor, Smartphone Push Notifications, TUYA/Smart Life App (2/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Wireless Water Alarm Sensor, Smartphone Push Notifications, TUYA/Smart Life App (3/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Wireless Water Alarm Sensor, Smartphone Push Notifications, TUYA/Smart Life App (4/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Wireless Water Alarm Sensor, Smartphone Push Notifications, TUYA/Smart Life App

~~£30.51~~

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High/low water level detection, 12V red strobe alarm, water level sensor (adjustable volume), 5m probe cable, can detect overflow and low water levels (1/4)

High/low water level detection, 12V red strobe alarm, water level sensor (adjustable volume), 5m probe cable, can detect overflow and low water levels

~~£35.28~~

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Water level indicator, high alarm, indicator sensor with a silent switch (1/5)

Water level indicator, high alarm, indicator sensor with a silent switch (2/5)

Water level indicator, high alarm, indicator sensor with a silent switch (3/5)

Water level indicator, high alarm, indicator sensor with a silent switch

~~£97.99~~

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Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump (1/5)

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump (2/5)

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump (3/5)

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump (4/5)

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump

~~£29.58~~

Free shipping

Water level alarm, 15m cable length, 90dB, with silent switch

#1 in sales

Water level alarm, 15m cable length, 90dB, with silent switch

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Water Alarm Sensor with 60dB Loud WiFi Leak Detector, Overflow Leak Alarm, Remote Leakage Monitoring for Water Heater Basement Water Pump (1/5)

Water Alarm Sensor with 60dB Loud WiFi Leak Detector, Overflow Leak Alarm, Remote Leakage Monitoring for Water Heater Basement Water Pump (2/5)

Water Alarm Sensor with 60dB Loud WiFi Leak Detector, Overflow Leak Alarm, Remote Leakage Monitoring for Water Heater Basement Water Pump (3/5)

Water Alarm Sensor with 60dB Loud WiFi Leak Detector, Overflow Leak Alarm, Remote Leakage Monitoring for Water Heater Basement Water Pump (4/5)

Water Alarm Sensor with 60dB Loud WiFi Leak Detector, Overflow Leak Alarm, Remote Leakage Monitoring for Water Heater Basement Water Pump

~~£43.92~~

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Water Level Alarm Leak and Overflow Detector 120 dB Security (1/4)

Water Level Alarm Leak and Overflow Detector 120 dB Security (2/4)

Water Level Alarm Leak and Overflow Detector 120 dB Security

~~£33.53~~

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Constant-current electric air supply system, respirator for chemical gas dust, paint, pesticide spray, full silicone face filter, laboratory welding (1/4)

Constant-current electric air supply system, respirator for chemical gas dust, paint, pesticide spray, full silicone face filter, laboratory welding

~~£150.99~~

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TL-136 Liquid Level Transmitter Water Sensor Detector 24VDC 4-20mA Signal Output 0 to 3 m (1/5)

TL-136 Liquid Level Transmitter Water Sensor Detector 24VDC 4-20mA Signal Output 0 to 3 m (2/5)

TL-136 Liquid Level Transmitter Water Sensor Detector 24VDC 4-20mA Signal Output 0 to 3 m (3/5)

TL-136 Liquid Level Transmitter Water Sensor Detector 24VDC 4-20mA Signal Output 0 to 3 m

~~£60.05~~

Free shipping

Water Pipe Leak Monitor, Underground Water Pipe Leak Detector, High-Resistance Sound Intensifier, Enhanced Water Leak Tester, Pipe Detection Tool (EU) (1/5)

Water Pipe Leak Monitor, Underground Water Pipe Leak Detector, High-Resistance Sound Intensifier, Enhanced Water Leak Tester, Pipe Detection Tool (EU)

~~£57.78~~

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Wireless Ultrasonic Water Tank Level Gauge – Liquid Height Indicator with Temperature Sensor and Clock Display (1/4)

Wireless Ultrasonic Water Tank Level Gauge – Liquid Height Indicator with Temperature Sensor and Clock Display (2/4)

Wireless Ultrasonic Water Tank Level Gauge – Liquid Height Indicator with Temperature Sensor and Clock Display

~~£96.64~~

Water Level Switch, Low Liquid Level Sensor, 90dB Water Lack Alarm Controller with Muffler EU Plug 220V, with Corrosion Resistant (1/5)

Water Level Switch, Low Liquid Level Sensor, 90dB Water Lack Alarm Controller with Muffler EU Plug 220V, with Corrosion Resistant (2/5)

Water Level Switch, Low Liquid Level Sensor, 90dB Water Lack Alarm Controller with Muffler EU Plug 220V, with Corrosion Resistant (3/5)

Water Level Switch, Low Liquid Level Sensor, 90dB Water Lack Alarm Controller with Muffler EU Plug 220V, with Corrosion Resistant

~~£88.99~~

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WiFi Leak Detector Water Alarm Sensor with 60dB Loud Sound, Overflow Leak Alarm, Remote Leak Monitoring for Water Heater, Basement Water Pump (1/5)

WiFi Leak Detector Water Alarm Sensor with 60dB Loud Sound, Overflow Leak Alarm, Remote Leak Monitoring for Water Heater, Basement Water Pump (2/5)

WiFi Leak Detector Water Alarm Sensor with 60dB Loud Sound, Overflow Leak Alarm, Remote Leak Monitoring for Water Heater, Basement Water Pump (3/5)

WiFi Leak Detector Water Alarm Sensor with 60dB Loud Sound, Overflow Leak Alarm, Remote Leak Monitoring for Water Heater, Basement Water Pump (4/5)

WiFi Leak Detector Water Alarm Sensor with 60dB Loud Sound, Overflow Leak Alarm, Remote Leak Monitoring for Water Heater, Basement Water Pump

~~£29.26~~

Free shipping

Water Leak Detector Home Security Alarm Water Level Leakage Probe Overflow Home Security Alarm Leak Sensor (1/5)

Water Leak Detector Home Security Alarm Water Level Leakage Probe Overflow Home Security Alarm Leak Sensor (2/5)

Water Leak Detector Home Security Alarm Water Level Leakage Probe Overflow Home Security Alarm Leak Sensor (3/5)

Water Leak Detector Home Security Alarm Water Level Leakage Probe Overflow Home Security Alarm Leak Sensor (4/5)

Water Leak Detector Home Security Alarm Water Level Leakage Probe Overflow Home Security Alarm Leak Sensor

~~£29.99~~

Free shipping

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump

~~£55.18~~

Free shipping

Water Level Sensor Ultrasonic Water Tank Liquid Depth Level Sensor with Display (1/5)

Water Level Sensor Ultrasonic Water Tank Liquid Depth Level Sensor with Display (2/5)

Water Level Sensor Ultrasonic Water Tank Liquid Depth Level Sensor with Display (3/5)

Water Level Sensor Ultrasonic Water Tank Liquid Depth Level Sensor with Display (4/5)

Water Level Sensor Ultrasonic Water Tank Liquid Depth Level Sensor with Display

Wifi Home Water Level Controller Sensors, Water Level Alarm Device, Swimming Pool Flow Detection System (1/4)

Wifi Home Water Level Controller Sensors, Water Level Alarm Device, Swimming Pool Flow Detection System (2/4)

Wifi Home Water Level Controller Sensors, Water Level Alarm Device, Swimming Pool Flow Detection System (3/4)

Wifi Home Water Level Controller Sensors, Water Level Alarm Device, Swimming Pool Flow Detection System

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector, Wireless Water Alarm Sensor, Push Notifications to Smartphones TUYA/Smart Life APP (1/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector, Wireless Water Alarm Sensor, Push Notifications to Smartphones TUYA/Smart Life APP

~~£23.14~~

Free shipping

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector Wireless Water Alarm Sensor, Push Notifications on Smartphones TUYA/Smart Life APP (1/5)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector Wireless Water Alarm Sensor, Push Notifications on Smartphones TUYA/Smart Life APP

~~£28.64~~

Free shipping

Timely Alarm Notification, for Tuya WiFi Water Sensor, for Smart Flood Leak Detector (1/5)

Timely Alarm Notification, for Tuya WiFi Water Sensor, for Smart Flood Leak Detector (2/5)

Timely Alarm Notification, for Tuya WiFi Water Sensor, for Smart Flood Leak Detector (3/5)

Timely Alarm Notification, for Tuya WiFi Water Sensor, for Smart Flood Leak Detector (4/5)

Timely Alarm Notification, for Tuya WiFi Water Sensor, for Smart Flood Leak Detector

~~£19.42~~

Free shipping

360° Swivel Kitchen Faucet Head, Nozzle Filter Head, 3 Adjustable Modes, Water Saving Nozzle, for Kitchen and Bathroom (White) (1/5)

360° Swivel Kitchen Faucet Head, Nozzle Filter Head, 3 Adjustable Modes, Water Saving Nozzle, for Kitchen and Bathroom (White) (2/5)

360° Swivel Kitchen Faucet Head, Nozzle Filter Head, 3 Adjustable Modes, Water Saving Nozzle, for Kitchen and Bathroom (White) (3/5)

360° Swivel Kitchen Faucet Head, Nozzle Filter Head, 3 Adjustable Modes, Water Saving Nozzle, for Kitchen and Bathroom (White)

~~£18.99~~

Free shipping

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector Wireless Water Alarm Sensor, Push Notifications on Smartphones TUYA/Smart Life APP

~~£23.98~~

Free shipping

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included (1/5)

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included (2/5)

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included (3/5)

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included (4/5)

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included

~~£21.04~~

Free shipping

Switch to float for detection of level of water – Stainless steel SUS304 – Resistant up to 120°C – Fitment vertical/horizontal (1/5)

Switch to float for detection of level of water – Stainless steel SUS304 – Resistant up to 120°C – Fitment vertical/horizontal (2/5)

Switch to float for detection of level of water – Stainless steel SUS304 – Resistant up to 120°C – Fitment vertical/horizontal (3/5)

Switch to float for detection of level of water – Stainless steel SUS304 – Resistant up to 120°C – Fitment vertical/horizontal (4/5)

Switch to float for detection of level of water – Stainless steel SUS304 – Resistant up to 120°C – Fitment vertical/horizontal

~~£27.08~~

Free shipping

Water Leak Alarm Sensor, Battery-Operated 90dB Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Office Areas (Shipped Without Battery, 2Pack) (1/5)

Water Leak Alarm Sensor, Battery-Operated 90dB Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Office Areas (Shipped Without Battery, 2Pack)

Water leak detector, 130dB intelligent flood detector, wireless water alarm sensor (1 piece, white) (1/3)

Water leak detector, 130dB intelligent flood detector, wireless water alarm sensor (1 piece, white)

Wi-Fi Water Leak Detector, 130dB Smart Flood Detector, Water Detector, Wireless Water Alarm Sensor, Push Notifications to Smartphones TUYA/Smart Life APP

~~£24.99~~

Free shipping

Water Leak Detector with 2 Probes (5m, Extendable up to 50m) - 120 dB Alarm with Strobe Light and Volume Control - for Leaks and Floods - Battery Operated, Durable (1/5)

Water Leak Detector with 2 Probes (5m, Extendable up to 50m) - 120 dB Alarm with Strobe Light and Volume Control - for Leaks and Floods - Battery Operated, Durable

~~£30.58~~

Free shipping

Detecteur de Fuite d'eau WiFi, Detecteur de Niveau d'eau, Detecteur Eau 100dB, Détecteur d'eau Capteur D'alarme d'eau sans Fil, Notifications Push sur Les Smartphones Tuya/Smart Life App (1/5)

Detecteur de Fuite d'eau WiFi, Detecteur de Niveau d'eau, Detecteur Eau 100dB, Détecteur d'eau Capteur D'alarme d'eau sans Fil, Notifications Push sur Les Smartphones Tuya/Smart Life App

~~£30.40~~

Free shipping

Water Alarm Sensor with 60dB Loud Sound WiFi Leak Detector, Overflow Leak Alarm, Remote Monitoring Leaker for Water Heater Basement Water Pump

~~£37.58~~

Free shipping

Water Pipe Leak Detector Sensor Monitor Tester Kit Dual Probes Earphone High Sensitivity Pipeline Water Locator Kit EU Plug (1/5)

Water Pipe Leak Detector Sensor Monitor Tester Kit Dual Probes Earphone High Sensitivity Pipeline Water Locator Kit EU Plug (2/5)

Water Pipe Leak Detector Sensor Monitor Tester Kit Dual Probes Earphone High Sensitivity Pipeline Water Locator Kit EU Plug (3/5)

Water Pipe Leak Detector Sensor Monitor Tester Kit Dual Probes Earphone High Sensitivity Pipeline Water Locator Kit EU Plug (4/5)

Water Pipe Leak Detector Sensor Monitor Tester Kit Dual Probes Earphone High Sensitivity Pipeline Water Locator Kit EU Plug

2-Pack WiFi Smart Water Detector, 80dB AAA Battery Powered Smart Water Leak Detector with 1m Detection Cable, Remote Monitoring and App Notifications, for Kitchen, Basement (1/5)

2-Pack WiFi Smart Water Detector, 80dB AAA Battery Powered Smart Water Leak Detector with 1m Detection Cable, Remote Monitoring and App Notifications, for Kitchen, Basement

~~£35.68~~

Free shipping

NITRIP 0220V Stainless Steel Liquid Water Level Sensor Float Switch for Swimming Pool, 100mm

Applicable to Chenglong H7H5 car water level sensor cable, water level alarm cable plug, and water temperature sensor cable plug (1/5)

Applicable to Chenglong H7H5 car water level sensor cable, water level alarm cable plug, and water temperature sensor cable plug (2/5)

Applicable to Chenglong H7H5 car water level sensor cable, water level alarm cable plug, and water temperature sensor cable plug (3/5)

Applicable to Chenglong H7H5 car water level sensor cable, water level alarm cable plug, and water temperature sensor cable plug

~~£18.32~~

Free shipping

Water detector, 135 dB alarm, flood sensor for basements, bathrooms, laundry rooms, kitchens, garages and attics (6F22/9 V batteries included) (1 pack) MUMU (1/4)

Water detector, 135 dB alarm, flood sensor for basements, bathrooms, laundry rooms, kitchens, garages and attics (6F22/9 V batteries included) (1 pack) MUMU

~~£17.04~~

WiFi Smart Water Leak Detector compatible with Tuya Smart Life, Google Assistant, and Amazon Alexa (1/5)

WiFi Smart Water Leak Detector compatible with Tuya Smart Life, Google Assistant, and Amazon Alexa (2/5)

WiFi Smart Water Leak Detector compatible with Tuya Smart Life, Google Assistant, and Amazon Alexa (3/5)

WiFi Smart Water Leak Detector compatible with Tuya Smart Life, Google Assistant, and Amazon Alexa (4/5)

WiFi Smart Water Leak Detector compatible with Tuya Smart Life, Google Assistant, and Amazon Alexa

~~£33.98~~

Free shipping

Aramox Liquid Level Sensor, IP67 Capacitive Technology Sensor for Non-Metallic Containers, 5-12V, Detection Range up to 20mm, Ideal for Management Systems. (1/5)

Aramox Liquid Level Sensor, IP67 Capacitive Technology Sensor for Non-Metallic Containers, 5-12V, Detection Range up to 20mm, Ideal for Management Systems.

~~£25.79~~

Free shipping

Home Alarm Water Leakage Spot Detector Flood Security (1/4)

Home Alarm Water Leakage Spot Detector Flood Security (2/4)

Home Alarm Water Leakage Spot Detector Flood Security

~~£30.98~~

Free shipping

100V Horizontal Liquid Water Level Sensor, Side Mounted Level Sensor (1/4)

100V Horizontal Liquid Water Level Sensor, Side Mounted Level Sensor (2/4)

100V Horizontal Liquid Water Level Sensor, Side Mounted Level Sensor

~~£30.98~~

Free shipping

Aramox Liquid Level Sensor, IP67 Capacitive Technology Sensor for Non-Metallic Containers, 5-12V, Detection Range up to 20mm, Ideal for Management Systems.

~~£25.80~~

Free shipping

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread. (1/4)

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread. (2/4)

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread.

~~£26.19~~

Free shipping

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread. (1/5)

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread. (2/5)

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread. (3/5)

Fockety Water Sensor Switch, Durable Copper Construction for Water Heater, Dispenser, 1 Piece, G1/2 Thread.

~~£26.18~~

Free shipping

WiFi Water Alarm Sensor, Strong Leaker WiFi Leak Detector Remote Monitoring for Basement Water Pump Water Heater (1/4)

WiFi Water Alarm Sensor, Strong Leaker WiFi Leak Detector Remote Monitoring for Basement Water Pump Water Heater (2/4)

WiFi Water Alarm Sensor, Strong Leaker WiFi Leak Detector Remote Monitoring for Basement Water Pump Water Heater

~~£37.05~~

Free shipping

Wireless flood detector with audible and visual alarm – Push notifications via app – Battery life up to one year – 2.4 GHz Wi-Fi compatible (1/5)

Wireless flood detector with audible and visual alarm – Push notifications via app – Battery life up to one year – 2.4 GHz Wi-Fi compatible (2/5)

Wireless flood detector with audible and visual alarm – Push notifications via app – Battery life up to one year – 2.4 GHz Wi-Fi compatible (3/5)

Wireless flood detector with audible and visual alarm – Push notifications via app – Battery life up to one year – 2.4 GHz Wi-Fi compatible

Water sensor for detecting the depth of water droplets, liquid leaks, precipitation and water level. (1/5)

Water sensor for detecting the depth of water droplets, liquid leaks, precipitation and water level. (2/5)

Water sensor for detecting the depth of water droplets, liquid leaks, precipitation and water level. (3/5)

Water sensor for detecting the depth of water droplets, liquid leaks, precipitation and water level.

Free shipping

Wi-Fi water leak detector, 130dB smart flood detector, wireless water alarm sensor, push notifications to smartphone via the TUYA/Smart Life app (1/4)

Wi-Fi water leak detector, 130dB smart flood detector, wireless water alarm sensor, push notifications to smartphone via the TUYA/Smart Life app (2/4)

Wi-Fi water leak detector, 130dB smart flood detector, wireless water alarm sensor, push notifications to smartphone via the TUYA/Smart Life app

Water Leak Detector Battery Operated Water Leak Alarm Home Security Alarm Detector Safety Water Leak Easy to Install 1pc (1/4)

Water Leak Detector Battery Operated Water Leak Alarm Home Security Alarm Detector Safety Water Leak Easy to Install 1pc (2/4)

Water Leak Detector Battery Operated Water Leak Alarm Home Security Alarm Detector Safety Water Leak Easy to Install 1pc

~~£32.41~~

Free shipping

130dB Water Leak Alarm, 95cm Long Cable with Sensor, Home Security Water Leak Detection Alarm, Battery Included

~~£31.99~~

Free shipping

Water sensor for detecting the depth of water droplets, liquid leaks, precipitation and water level.

Free shipping

Detector of leak water, monitor of its of hose Portable, amplifier listen wall-mounted high sensitivity (1/5)

Detector of leak water, monitor of its of hose Portable, amplifier listen wall-mounted high sensitivity (2/5)

Detector of leak water, monitor of its of hose Portable, amplifier listen wall-mounted high sensitivity (3/5)

Detector of leak water, monitor of its of hose Portable, amplifier listen wall-mounted high sensitivity (4/5)

Detector of leak water, monitor of its of hose Portable, amplifier listen wall-mounted high sensitivity

-16%

~~£24.47~~Lowest price 30d

Free shipping

Non-Contact Liquid Level Sensor for Tank 12-24V Accurate Detection (1/4)

Non-Contact Liquid Level Sensor for Tank 12-24V Accurate Detection (2/4)

Non-Contact Liquid Level Sensor for Tank 12-24V Accurate Detection

~~£33.51~~

Free shipping

Timely Alarm Notification for Tuya WiFi Water Sensor for Smart Flood Leak Detector (1/4)

Timely Alarm Notification for Tuya WiFi Water Sensor for Smart Flood Leak Detector (2/4)

Timely Alarm Notification for Tuya WiFi Water Sensor for Smart Flood Leak Detector

~~£33.53~~

Free shipping

Electronic water level sensor switch for washing machine, water pressure regulating valve switch DPS-VTW10 (1/4)

Electronic water level sensor switch for washing machine, water pressure regulating valve switch DPS-VTW10 (2/4)

Electronic water level sensor switch for washing machine, water pressure regulating valve switch DPS-VTW10

~~£26.64~~

Free shipping

Temperature Resistant Stainless Steel Liquid Water Level Sensor Float Switch 0220V 100mm for Security Monitoring and Industrial Equipment MUMU (1/4)

Temperature Resistant Stainless Steel Liquid Water Level Sensor Float Switch 0220V 100mm for Security Monitoring and Industrial Equipment MUMU

~~£22.03~~

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