YoLink sells Water Leak Sensors 1 through 6, a MoveAlert variant, a float-switch level sensor and two LeakStop detectors. The sensors report to a YoLink hub. The newer generations add sounders, low-temperature alerts, probe ropes and lithium batteries.
YoLink water leak and level sensors
YoLink / 10 models
Last checked
Currently sold
Newest first in each series.
Models sold now, newest in each series
How facts are sourced: every cell cites its source below| Series | Model | Released | Type | Power | Location | Newest |
|---|---|---|---|---|---|---|
| Water Leak Sensor 1 | Water Leak Sensor 1 | unknown | Puck leak sensor[1] | 2 AAA batteries[1] | Indoor only[1] | only model in its series |
| Water Leak Sensor 2 | Water Leak Sensor 2 | unknown | Leak and level sensor with probe cable and siren[2] | 2 AAA batteries[2] | Indoor only[2] | only model in its series |
| Water Leak Sensor 3 | Water Leak Sensor 3 | unknown | Leak sensor with probe cable and sounder[3] | 2 AAA batteries[3] | unknown | only model in its series |
| Water Leak Sensor 4 | Water Leak Sensor 4 | unknown | Puck leak sensor with sounder[4] | 2 AAA batteries[4] | unknown | only model in its series |
| Water Leak Sensor 4 MoveAlert | Water Leak Sensor 4 MoveAlert | unknown | Puck leak sensor with sounder and removal detection[5] | 2 AAA batteries[5] | unknown | only model in its series |
| Water Leak Sensor 5 | Water Leak Sensor 5 | unknown | Leak sensor with three probe groups and alarm[6] | 2 AA lithium batteries (preinstalled), up to 12 years[6] | Indoor; IP67[6] | only model in its series |
| Water Leak Sensor 6 | Water Leak Sensor 6 | unknown | Leak sensor with braided sensing rope[7] | 2 AA lithium batteries (preinstalled), up to 10 years[7] | Indoor sensor body; waterproof rope[7] | only model in its series |
| Water Level Sensor with Float Switch | Water Level Sensor with Float Switch | unknown | Water level sensor with float switch and siren[8] | 2 AAA batteries[8] | Indoor only[8] | only model in its series |
| LeakStop 1-Channel Leak Detector | LeakStop 1-Channel Leak Detector | unknown | Running-water detector (1 channel)[9] | unknown | unknown | only model in its series |
| LeakStop 2-Channel Leak Detector | LeakStop 2-Channel Leak Detector | unknown | Running-water detector (2 channels)[10] | unknown | unknown | only model in its series |
At a glance
Every product at a glance
How facts are sourced: every cell cites its source below| Product | Generation | Released | Status |
|---|---|---|---|
| Water Leak Sensor 1 | unknown | unknown | Current[1] |
| Water Leak Sensor 2 | unknown | unknown | Current[2] |
| Water Leak Sensor 3 | unknown | unknown | Current[3] |
| Water Leak Sensor 4 | unknown | unknown | Current[4] |
| Water Leak Sensor 4 MoveAlert | unknown | unknown | Current[5] |
| Water Leak Sensor 5 | unknown | unknown | Current[6] |
| Water Leak Sensor 6 | unknown | unknown | Current[7] |
| Water Level Sensor with Float Switch | unknown | unknown | Current[8] |
| LeakStop 1-Channel Leak Detector | unknown | unknown | Current[9] |
| LeakStop 2-Channel Leak Detector | unknown | unknown | Current[10] |
Lineup
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YoLink water leak and level sensors lineup
How facts are sourced: every cell cites its source below| Product | Type | Power | Location | Key spec | Home Assistant | Homey | Retailers |
|---|---|---|---|---|---|---|---|
| Water Leak Sensor 1YS7903 | Puck leak sensor[1] | 2 AAA batteries[1] | Indoor only[1] | IP68 housing; probes on top and bottom[1] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 2 | Leak and level sensor with probe cable and siren[2] | 2 AAA batteries[2] | Indoor only[2] | 4.2 ft probe cable, extendable to 10 ft[2] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 3 | Leak sensor with probe cable and sounder[3] | 2 AAA batteries[3] | unknown | Probe cable with integral sounder[3] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 4YS7906 | Puck leak sensor with sounder[4] | 2 AAA batteries[4] | unknown | 105 dB sounder; IP66 housing; low-temperature alerts[4] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 4 MoveAlertYS7916 | Puck leak sensor with sounder and removal detection[5] | 2 AAA batteries[5] | unknown | 105 dB sounder; low-temperature alerts; detects removal[5] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 5YS7986 | Leak sensor with three probe groups and alarm[6] | 2 AA lithium batteries (preinstalled), up to 12 years[6] | Indoor; IP67[6] | 110 dB alarm[6] | Native (cloud) | Official app (cloud) | |
| Water Leak Sensor 6YS7984 | Leak sensor with braided sensing rope[7] | 2 AA lithium batteries (preinstalled), up to 10 years[7] | Indoor sensor body; waterproof rope[7] | 11.5 ft sensing rope[7] | Native (cloud) | Official app (cloud) | |
| Water Level Sensor with Float Switch | Water level sensor with float switch and siren[8] | 2 AAA batteries[8] | Indoor only[8] | Leak detection and level monitoring modes[8] | unknown | ||
| LeakStop 1-Channel Leak DetectorYS5009 | Running-water detector (1 channel)[9] | unknown | Tracks daily water use and flush counts[9] | unknown | Official app (cloud) | ||
| LeakStop 2-Channel Leak DetectorYS5029 | Running-water detector (2 channels)[10] | unknown | Tracks daily water use and flush counts[10] | unknown | |||
Cite this page
YoLink water leak and level sensors. Smart Home Canon. https://smarthomecanon.com/lines/yolink-water-leak-sensors. Last checked 2026-10-20.
Sources
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