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SALE Under $20 Water & Flood Detectors

Shop the best SALE offers on 1,300 low price under $20 water & flood detectors. SAVE on discount and clearance water & flood detectors in the Fruugo SALE, with big savings and cheap deals on Shanghai Yangxin, Guangzhou Aidai Trading Co., Ltd, Guangzhou Lihua Trading and more. Buy water & flood detectors online safely in the Fruugo SALE, with secure payment and fast shipping to New Zealand.

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1 - 32 of 1,300
2025 Smartlife App Wifi Water Sensor Water Leak Detector Alarm Home Control Ip67 Works With Tuyasmart /
$18.95 Save $19.00 RRP: $37.95
Temperature Sensor Induction Cooker Temperature Detector Electric Cooker Temperature Sensor
$11.95 Save $62.05 RRP: $74.00
Wireless Water Alarm Independent Battery Powered Water Alarm Sensor Detector 85dB Sounder Water
$5.95 Save $29.00 RRP: $34.95
Wifi Gas Leak Detector And Fire Alarm Lcd Display Wall Mounted App Control Smart Wi-fi Natural Gas/ Lpg Tester Methane Alarm Buzzler With Sound Ligh unbrand
$20.95 Save $11.00 RRP: $31.95
High Sensitive Leak Detector Loud Water Leak Alarm without Battery for Basement Apartment Kitchen Bathroom (White)
$21.95 Save $67.05 RRP: $89.00
Water Leak Detector Multi-Functional Sound Detector for Pipe Water Leak Suitable for Leak Detection of Various Pipe
$19.95 Save $9.00 RRP: $28.95
Zigbee Smart Vibration Sensor Detection Tuya Smart Life APP Notification Real-Time Motion Vibration Alarm Smart Home
$21.95 Save $7.00 RRP: $28.95
Wired Type Leakage Alarm Detector Water Sensor with 3.5mm Jack
$14.95 Save $7.00 RRP: $21.95
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$20.95 Save $98.05 RRP: $119.00
Water Level Sensor Module for R3 Droplet Detection
$12.95 Save $7.00 RRP: $19.95
Ice Machine Water Level Float Sensor Water Level Control Switch
$22.95 Save $14.00 RRP: $36.95
TuyaWiFi Smart Water Sensor Leak Detector Flood For home
$20.95 Save $14.00 RRP: $34.95
Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$13.95 Save $8.00 RRP: $21.95
Tuya Smart Water Level Alarm Wifi Water Immersion Sensor Alarm Water Leak Detector App Remote Monitoring
$15.95 Save $16.00 RRP: $31.95
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester FY
$0.95
Water Mains Leak Detector Underground Mains Leak Monitor Water Mains Leak Detector With Headphones
$2.95 Save $1.00 RRP: $3.95
Stainless Steel Door Hole Cover Plate for Interior Doors Multi Color Increases Security and Privacy
$19.95 Save $9.00 RRP: $28.95
Tuya Zigbee Smart Vibration Sensor Tilt Detector Home Security Protection Smart Life App Real-Time Monitor Alarm
$22.95 Save $6.00 RRP: $28.95
Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector
$19.95 Save $6.00 RRP: $25.95
Water Leakage Detection Alarm Rechargeable Underground Water Pipes Fire Pipeline Automotive Detecti
$20.95 Save $21.00 RRP: $41.95
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$20.95 Save $98.05 RRP: $119.00
Portable Water Electrolysis Water Quality Tester Tool
$20.95 Save $98.05 RRP: $119.00
Wired Water Leakage Alarm Detector with 3.5mm Jack Sensor
$21.95 Save $32.05 RRP: $54.00
3-in-1 Tds Water Quality Tester High Accuracy Digital Water Testing Kit For Drink Water Water Teste
$15.95 Save $8.00 RRP: $23.95
Tuya Zigbee Water Sensor Flood Water Leakage Detector Water Linkage Alarm Smart Life App Remote Monitoring
$21.95 Save $25.00 RRP: $46.95
Water Leak Detector Multi-Functional Sound Detector for Pipe Water Leak Suitable for Leak Detection of Various Pipe
$21.95 Save $25.00 RRP: $46.95
Wired Water Leakage Detector Sensor Water Level Sensor Probe Dual Metal Poles Water Leak Level Sensor 2 Meter Cable
$8.95 Save $11.00 RRP: $19.95
Portable Water Leakage Detector 85x85x35mm Battery Alarm
$19.95 Save $6.00 RRP: $25.95
Fully Automatic Water Level Controller Switch 25A 220V Water Tank Liquid Level Detection Sensor Wat
$20.95 Save $98.05 RRP: $119.00
Water Mains Leak Detector Underground Mains Leak Monitor Water Mains Leak Detector with Headphones
$18.95 Save $19.00 RRP: $37.95
2 m NTC thermistor temperature sensor waterproof probe wire 10 K 1% 3950 black
$17.95 Save $7.00 RRP: $24.95
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$17.95 Save $10.00 RRP: $27.95