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SALE Under $20 Water & Flood Detectors

Shop the best SALE offers on 1,299 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 1,299
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
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
High Sensitive Leak Detector Loud Water Leak Alarm without Battery for Basement Apartment Kitchen Bathroom (White)
$21.95 Save $67.05 RRP: $89.00
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
Temperature Sensor Induction Cooker Temperature Detector Electric Cooker Temperature Sensor
$11.95 Save $62.05 RRP: $74.00
2025 Smartlife App Wifi Water Sensor Water Leak Detector Alarm Home Control Ip67 Works With Tuyasmart /
$18.95 Save $19.00 RRP: $37.95
ZigBee Water Leak Sensor Alarms Smart Home Flood Leak Detector with Security Protection for Tuya Smart Life
$15.95 Save $16.00 RRP: $31.95
2Pcs Fully Automatic Water Level Control Float Valve, Water Level Controller for Water Tank 1/2Inch
$22.95 Save $6.00 RRP: $28.95
Overflow Water Immersion Alarm Detector Leak Alarm Water Level Overflow Detector Sensor Alarm
$12.95 Save $7.00 RRP: $19.95
2 m NTC thermistor temperature sensor waterproof probe wire 10 K 1% 3950 black
$17.95 Save $7.00 RRP: $24.95
Smartlife App Wifi Water Sensor Water Leak Detector Alarm Home Control Ip67 Works With Tuyasmart /
$17.95 Save $9.00 RRP: $26.95
5pcs Wired Water Leak Sensor Kitchen Sink Water Leak Alarm With 1m Long Cable-YKY416
$17.95 Save $9.00 RRP: $26.95
Transparent Waterproof Glue Plus Brush For Bathroom Water Pipe
$13.95 Save $21.00 RRP: $34.95
Transparent Waterproof Glue Plus Brush For Bathroom Water Pipe
$13.95 Save $21.00 RRP: $34.95
Ice Machine Water Level Float Sensor Water Level Control Switch Float Switch Water Temperature Detec
$20.95 Save $9.00 RRP: $29.95
ZigBee TUYA Smart Water Leak Detector, Flood Sensor, Remote Monitoring Via Tuya Zigbee Gateway, Water Tank Full Alarm
$20.95 Save $10.00 RRP: $30.95
Water Electrolyzer - Portable Water Quality Tester Lightweight Water Impurity Monitor Easy to Use Electrolyzer Test Monitor-Good
$11.95 Save $23.00 RRP: $34.95
Tuya Water Leakage Sensor Detector WiFi Flood Water Leak Sensor Home Protection Alarm System Smart Life APP Control
$19.95 Save $10.00 RRP: $29.95
Household Water Leakage Alarm Detector High Sensitivity Waterproof Syhmy
$20.95 Save $22.00 RRP: $42.95
Sealing Clamp Silver 40.00X40.00X0.20CM Water Damage Protection 1Set
$19.95 Save $12.00 RRP: $31.95
BERM K Type Thermocouple Sensors Probe Waterproof Anti Corrosion Probe Temperature Sensor 2 M / 6.6 Ft
$17.95 Save $18.00 RRP: $35.95
Water Leakage Alarm Sensor High Sensitivity for Zigbee 3.0 APP Monitoring Flood Detector for TUYA Smart
$19.95 Save $49.05 RRP: $69.00
2pcs Water Level Switch Sensor Controller for Automatic Water Tank Pumping DIY Kit
$21.95 Save $9.00 RRP: $30.95
Water Mains Leak Detector Underground Mains Leak Monitor Water Mains Leak Detector with Headphones for Indoor Outdoor
$17.95 Save $7.00 RRP: $24.95
Water Level Alarm Water Leakage Detector Overflow Alarm Full Water Alarm 120 DB Security Alarm System
$15.95 Save $7.00 RRP: $22.95
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester
$20.95 Save $43.05 RRP: $64.00
Wood Moisture Meter Large LCD Easy Operation ATC Function Wide Application Stable Accurate Durable Water Leaking Detector
$20.95 Save $20.00 RRP: $40.95
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper
$20.95 Save $98.05 RRP: $119.00
Water Electrolyzer Electrolysis Test, Portable Water Quality Tester Lightweight Water Impurity Monitor Electrolyzer Test Monitor
$20.95 Save $98.05 RRP: $119.00
ZigBee TUYA Smart Water Leak Detector, Flood Sensor, Remote Monitoring Via Tuya Zigbee Gateway, Water Tank Full Alarm
$19.95 Save $23.00 RRP: $42.95