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    2. water sensor
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    water sensor

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    100,570 results

    • Smart WiFi Water Leak Sensor Flood Tuya Leakage Level Overflow Detector Alarm UK

      Smart WiFi Water Leak Sensor Flood Tuya Leakage Level Overflow Detector Alarm UK

      £11.29
      Click & Collect
      (£11.29/Unit)
      Free postage
    • Water Flow Plastic Switch Vertical/Horizontal Water Sensor Magnetic AC 220V New

      Water Flow Plastic Switch Vertical/Horizontal Water Sensor Magnetic AC 220V New

      £6.99
    • FLOAT SWITCH Fluid Water Level Sensing Switch Sensor 12v 24v 1PC BLACK UK STOCK

      FLOAT SWITCH Fluid Water Level Sensing Switch Sensor 12v 24v 1PC BLACK UK STOCK

      £5.99
      Click & Collect
      or Best Offer
    • New Float Switch Tank Pool Water Level Liquid Sensor - High Quality Free Postage

      New Float Switch Tank Pool Water Level Liquid Sensor - High Quality Free Postage

      £3.99
      Free postage
      1,174 sold
    • Stainless Steel Vertical Water Level Sensor Float Switch High Quality Free Post

      Stainless Steel Vertical Water Level Sensor Float Switch High Quality Free Post

      £6.99
      Click & Collect
      Free postage
      1,164 sold
    • Non-contact Tanks Water Level Sensor Switch Container Liquid Height Detector UK

      Non-contact Tanks Water Level Sensor Switch Container Liquid Height Detector UK

      £8.15
      Click & Collect
      Was: £8.58
      Free postage
      or Best Offer
    • Hive Leak Sensor Smart Home Leak Detection Water Sensor

      Hive Leak Sensor Smart Home Leak Detection Water Sensor

      £1.70
      2 bids
      £3.20 postage
      Ending Today at 3:32PM BST2h 11m
    • Mini Indicator Vertical Water Level Sensor Stainless Steel Float Switch SR

      Mini Indicator Vertical Water Level Sensor Stainless Steel Float Switch SR

      £4.64 to £5.60
      £1.50 postage
    • New Right Angle Float Switch Tank Pool Water Level Liquid Sensor - High Quality

      New Right Angle Float Switch Tank Pool Water Level Liquid Sensor - High Quality

      £3.99
      Free postage
      580 sold
    • 2Pcs Float Switch Tank Pool Tube Water Level Sensor Side Horizontal Liquid Mount

      2Pcs Float Switch Tank Pool Tube Water Level Sensor Side Horizontal Liquid Mount

      £7.66
      Free postage
      23 sold
    • NON-CONTACT WATER LEVEL SENSOR SWITCH CONTAINER LIQUID HEIGHT DETECTOR

      NON-CONTACT WATER LEVEL SENSOR SWITCH CONTAINER LIQUID HEIGHT DETECTOR

      £6.53
      Was: £6.95
      Free postage
      or Best Offer
    • Rain water sensor Detection module+DC 5V 12V Relay Control Module for arduin.RM

      Rain water sensor Detection module+DC 5V 12V Relay Control Module for arduin.RM

      £6.81
      Free postage
      or Best Offer
      2 watching
    • Liquid Level Controller Sensor Module Water Level Detection Sensor Component UO

      Liquid Level Controller Sensor Module Water Level Detection Sensor Component UO

      £7.45
      Free postage
      or Best Offer
    • Tuya WiFi Smart Water Leak Sensor Home Security Leakage Alarm Overflow Detector

      Tuya WiFi Smart Water Leak Sensor Home Security Leakage Alarm Overflow Detector

      £11.29
      Click & Collect
      (£11.29/Unit)
      Free postage
    • FLOAT SWITCH Fluid Water Level Sensing Switch Sensor 12v 24v 1PC BLACK UK STOCK

      FLOAT SWITCH Fluid Water Level Sensing Switch Sensor 12v 24v 1PC BLACK UK STOCK

      £4.99
      Free postage
      or Best Offer
    • Water Leak Detector Moisture Sensor Bath Overflow Flood Level Alarm

      Water Leak Detector Moisture Sensor Bath Overflow Flood Level Alarm

      4.5 out of 5 stars
      (17)17 product ratings - Water Leak Detector Moisture Sensor Bath Overflow Flood Level Alarm
      £12.95
      Click & Collect
      615 sold
    • Water/Oil Temperature Temp Sensor Universal Sender 1/8 NPT Thread For Gauge UK

      Water/Oil Temperature Temp Sensor Universal Sender 1/8 NPT Thread For Gauge UK

      £5.49
      Click & Collect
      (£5.49/Unit)
    • Water Leak Alarm Flood Level Overflow Detector Sensor Alert Home Security

      Water Leak Alarm Flood Level Overflow Detector Sensor Alert Home Security

      £5.49
      Click & Collect
    • MINI Indicator Vertical Water Level Sensor Stainless Steel 45mm Float Switch UK

      MINI Indicator Vertical Water Level Sensor Stainless Steel 45mm Float Switch UK

      £6.91
      Click & Collect
      (£6.91/Unit)
    • Outdoor LED Floodlight PIR Motion Sensor Garden Flood Security Lights Waterproof

      Outdoor LED Floodlight PIR Motion Sensor Garden Flood Security Lights Waterproof

      £11.99 to £18.99
      Click & Collect
      Free postage
    • Water Leak Alarm Flood Level Overflow Detector Sensor Pools Bath Home Security n

      Water Leak Alarm Flood Level Overflow Detector Sensor Pools Bath Home Security n

      £5.85
      Click & Collect
      Free postage
    • Fuel Water Sensor For Fiat Ducato Peugeot Boxer Citroen Relay 2.0 3.0L 77366566

      Fuel Water Sensor For Fiat Ducato Peugeot Boxer Citroen Relay 2.0 3.0L 77366566

      £10.99
      Click & Collect
      Free postage
    • WiFi Water Detector Leakage Sensor Alarm Leak Detector Sound Smart APP For TUYA

      WiFi Water Detector Leakage Sensor Alarm Leak Detector Sound Smart APP For TUYA

      £14.56
      Free postage
      or Best Offer
    • Mini Indicator Vertical Water Level Sensor Stainless Steel 45mm Float Switch PT

      Mini Indicator Vertical Water Level Sensor Stainless Steel 45mm Float Switch PT

      £6.53
      Free postage
      or Best Offer
    • Right Angle Float Switch Tank Pool Water Level Liquid Sensor High Quality

      Right Angle Float Switch Tank Pool Water Level Liquid Sensor High Quality

      £3.78

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