









This 1/2 inch kit delivers complete, NSF certified leak protection for potable water lines. It includes a battery-powered motorized shutoff valve with an integrated controller, three water leak sensors, and a YoLink Hub. When a leak is detected, a sensor can directly close the valve using YoLink Control-D2D—no internet or AC power required—so protection continues during outages. Built on the YoLink LoRa protocol, the system offers up to 1/4 mile open-air wireless range, reaching basements, meter pits, and other hard-to-cover spaces. Use the YoLink app for remote shutoff and instant notifications by app, email, and SMS; integrations with Alexa, IFTTT, and Home Assistant support voice and automation. Thanks to ultra-low-power design and lithium batteries, devices can run for 10 years or more in typical use. As part of the 80+ device YoLink ecosystem for water, security, environment, and energy, this kit can expand to protect your entire property with no subscription fees.
| Number of batteries | 6 AA batteries required. (included) |
| Control method | Remote |
| Mounting type | Wall Mount |
| Sensor technology | LoRa Sensor |
| UPC | 810121542422 |
| Size | 0.5" |
| Manufacturer | YoSmart |
| Package Dimensions | 29.11 x 20.29 x 10.9 cm; 1.16 kg |
| Part number | YS1603+3YS7903+YS5012-DN15 |
| Item model number | YS1603+3YS7903+YS5012-DN15 |
| ASIN | B0F2MXFN54 |
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