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Pack water leak alarm flood - leak,
$12.73
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Water leak detectors pack - water,
$25.99
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Wifi water leak detectors - leak,
$29.99
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Pack water leak alarm - 5,
$15.99
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Pack water leak alarm - alarm, flood
$7.70
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1pc intelligent water leak - 1pc,
$10.49
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Smart wifi water leak - smart, sensor
$12.39
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120db water leak - 120db, flood
$8.82
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3pack smart water - smart, leak
$21.34
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High decibel water - high,
$11.95
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Pack 90db water overflow - 3,
$19.99
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Zigbee water sensor leakage - zigbee,
$9.99
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Water leak alarm - leak,
$8.81
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Wifi water leak - leak, detector
$29.95
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Sense water leak - wi-fi,
$21.99
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Sense sws54 smart water leak - smart,
$30.99
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Diy tuya app wifi water - water, leak
$12.99
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6pcs water leak - 1-6pcs, alarm
$12.73
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H2c8 waterproof 656ft wireless - waterproof,
$20.54
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120db water leak - 120db, alarm
$19.31
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90db water overflow alarm - 90db,
$19.99
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Tuya smart wifi water - water, leak
$18.27
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Wired water immersion sensor - wired,
$8.53
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Pack water leak - water,
$26.97
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Home water leak alarm - water,
$8.72
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Pack smart water leak - smart,
$19.99
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Solar alarm led light - light,
$12.78
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Wifi wireless flood leak - wifi,
$34.96
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Rainpoint floating wifi water - rainpoint,
$29.95
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Smart wifi water leak sensor - smart,
$53.99
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Winees plus wifi water - s1,
$21.00
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Sense smart water - water, leak
$30.99
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Pack water leak - water, flood
$12.87
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Phyn smart water sensor - smart, 2
$35.00
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1pc home water - 1pc,
$9.75
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656ft wireless driveway alarm - 656ft,
$20.42
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Pack water leak - leak, leakage
$19.13
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Wireless 100db flood alarm - 100db,
$53.99
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Pack water leak detectors - leak,
$38.99
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Sonoff zigbee water - sonoff, detector
$24.99
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Govee water leak drip - drip, detector
$13.49
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Home wireless 90db water leak - home,
$19.99
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New battery operated water - new, battery-operated
$16.90
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Water leak detector sensor - water,
$9.00
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5pcs water leak - 1-5pcs, flood
$8.72
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Pack water leak detector - pack,
$10.54
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High sensitivity water sensor - high-sensitivity,
$14.24
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Water leakage alarm detector - leakage,
$9.23
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Pack water leak detector - 2,
$22.63
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4pack smart water leak - 1-4pack,
$27.59
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Water leakage alarm detector - water,
$8.72
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Wifi water level sensor - wifi,
$31.24
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2pcs wifi water leak - wifi, sensor
$26.89
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Sense water leak - x-sense, wi-fi
$26.50
Buy It Now
Geeni smart water alarm leak - geeni,
$16.50
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High low water level - water,
$26.89
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Simplisafe home security water - security,
$18.00
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New low cost water - new, leak
$10.29
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Pack water leak alarm flood - water,
$16.19
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Pack smart wifi water leak - wifi,
$26.89
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110db water leak - 110db,
$10.67
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New tuya zigbee smart - tuya, water
$16.09
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Smart wifi water leak alarm - wifi,
$23.98
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Water leak sensor detector - leak,
$21.90
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Goveelife upgraded smart water - upgraded,
$22.99
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Tuya wifi zigbee water leakage - wifi/zigbee,
$11.99
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Tuya smart wifi water leak - 2x,
$18.84
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Solar outdoor motion - outdoor,
$21.99
Buy It Now
Low cost water - low-cost, leak
$9.59
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Link dch s160 fi - dch-s160, wi-fi
$12.94
Buy It Now
110db basement water - basement, leak
$18.84
Buy It Now
Versatile 120db water - water, sensor
$14.24
Buy It Now
Smart wifi water - smart, leak
$1.00
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Pack water leak sensor - 4, tuya
$31.24
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100db smart wifi - smart,
$23.97
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4pack smart water - 1-4pack, leak
$21.84
Buy It Now
Tuya smart wifi - 2x,
$20.00
Buy It Now
Water leak detector sense - water, x-sense
$8.99
Buy It Now
New water leak - water, flood
$10.41
Buy It Now
Sound light solar motion - &,
$15.75
Buy It Now
Mile hosmart driveway - 1/2,
$60.16
Buy It Now
Alarm com wireless water leak - wireless,
$45.00
Buy It Now
Pcs water sensor alarm leak - water,
$89.99
Buy It Now
Lot tuya wifi water - lot,
$18.99
Buy It Now
Sonoff snzb 05p zigbee - sonoff, 3.0
$25.99
Buy It Now
Pack instapark in07a water - instapark,
$10.25
Buy It Now
Abs water leak - leak, flood
$9.72
Buy It Now
Water leak alarm - leak, flood
$11.24
Buy It Now
Goveelife smart water leak - smart,
$31.88
Buy It Now
Pack 90db water leak sensor - pack,
$19.99
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Pack sensitive wifi - 2,
$23.96
Buy It Now
Water leak detectors for home - leak,
$11.83
Buy It Now
100db water leakage detector - water,
$15.99
Buy It Now
1pc home water leak - home,
$9.68
Buy It Now
Wireless sump alarm - (wifi),
$284.99
Buy It Now
4pcs solar outdoor - 4pcs, motion
$48.98
Buy It Now
Looking for more water sensor alarm?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 water sensor alarm listings currently in our index. Prices range from $1 to $284.99, with an average of $23.57. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about water sensor alarm →
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Whether you are looking for a brand-new or second-hand water sensor alarm, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $1, while premium listings can reach $284.99 — giving you a wide budget spread to work with. The average price of $23.57 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.