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Automatic Water Leak Protection System, Works Without Internet and Power - Bulldog, X3 Wireless Controller, 4 Leak Sensors, Hub

  • $359.99
  • $399.99
Shipping calculated at checkout.


  • YoLink Smart Water Solutions: Our new X3 commercial line wireless Valve Controller, (4) of our best-selling original Water Leak Sensors, Bulldog Valve Robot and (1) YoLink Hub
  • Now, With 2-Year Warranty:  Bulldog Valve Robots purchased with an X3 controller kit will carry the same 2-year warranty as the rest of the kit
  • Industrial Grade:  Designed for commercial and industrial applications, with a ruggedized housing, extended environmental range and batteries sized for up to 10 years or 5000 cycles, our new X3 Valve Controller is ready for your home or commercial application
  • No WiFi, No Internet, No Power? No worries! Only YoLink offers smart, wireless devices that can continue to operate, even with the loss of WiFi, internet, AND power! It is device-to-device wireless communication that does not require WiFi, internet, the Hub, or even AC power! We call it Yolink Control-D2D. You call it "no worries!"
  • Protect Your Home From Costly Repairs: Complete your automatic water leak detection and automatic water shut-off system by adding one of our variety of Water Leak Sensors
  • No Plumber Required: Easy installation, only requiring a Phillips screwdriver. Unique mounting brackets take the guesswork and tricky adjustments out of proper alignment, resulting in dependable maintenance-free operation
  • Start Smart! Don't buy a standalone water leak alarm if you can instead start the foundation of your new smart home! The Hub is compatible with a growing ecosystem of smart devices, including home security, smart locks, lighting & power control, temperature, humidity monitoring, thermostat, sprinkler controllers and more!
  • Can-do Condos! Scalable, from Single-Family to High-Rise Condos, and powered by LoRa, YoLink offers industry-leading long-range (up to ¼ mile!) and capacity (300+ devices per Hub), add as many Hubs as needed, to expand capacity and range!
  • Works With Alexa & Google Voice Assistants: Supercharge your YoLink system by adding the YoLink skill to Alexa or Google Assistant. Control your YoLink devices by voice command (“Alexa, turn off the valve” – “OK!”) and control your YoLink devices as part of routines/automation that may include other, third-party, smart devices integrated with Alexa/Google.
  • Works With IFTTT: Open and/or close your valve using IFTTT applets 


  • New commercial grade model, with ruggedized housing, extended environmental range and extended battery life (up to 10 years)
  • Remote status and control with the convenient YoLink app
  • YoLink Control allows for the Bulldog Valve Robot to be controlled directly by YoLink Water Leak Sensor, without an internet connection
  • YoLink’s industry-leading long-range communication allows for operation in larger homes and in areas difficult for other wireless systems, such as basements, separate garages/structures, and even outside your home
  • Amazon/Google Assistant and IFTTT integration


  • Remote control of your water valves; turn your water off or on remotely, from anywhere at any time, using the YoLink app
  • Remotely check on the on/off status of your valves, using the YoLink app
  • Extremely easy and fast installation using the YoLink app with Scan & Play
  • As part of your long-range/low-power YoLink smart home system, enjoy the reliability and carefree operation with Water Valve Controller batteries that can last 10 or more years or 5000 cycles!


  • Remotely turn the water on or off at your condo, rental property, summer/winter home while not in use
  • Prevent unauthorized use, by turning off water lines
  • Use the YoLink Water Leak Sensor to automatically shut off the water when a leak is detected, preventing costly damages (Water Leak Sensor sold separately)
  • Shut off water to your lawn sprinkler system during the winter months, preventing water from freezing in the pipes



  • Pair your Water Valve Controller with the YoLink Remote or FlexFob for hard-to-reach control, adding convenience to your life
  • Applicable Water Pipe Size: ½ inch, ¾ inch, 1 inch, 1 1/2 inch; For the Pipe Sizes larger than 1 1/2 inch, you need to order an extra bracket


  • Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher
  • Tools Required: Phillips screwdriver
  • Installation Difficulty Level: Moderately-Easy


  • Semtech® LoRa® RF Module YL09 microcontroller with 32-Bit RISC processor
  • Multi-color Status LED
  • SET Button
  • Power: (1) ER34615 3.6V lithium battery (replaceable)
  • Environmental:
    • Operating Temperature Range: -4°F – 140°F (0°C – 60°C)
    • The pipe must not freeze!
    • Operating Humidity Range: 0 – 95% non-condensing 



  • High Torque Geared Valve Motor, (2Pin connector, Cable Length 700mm)
  • Torque: ~ 11lbf (~15Nm), ~ 18 second 90 Degree Stroke Time
  • Green/Red Led status indicator
  • Supports 1/2", 3/4", 1", 1.25" and 1.5" Ball Valves (special order for 2")


  • (1) YoLink X3 Wireless Water Valve Controller
  • (4) YoLink Original Water Leak Sensor
  • (1) Bulldog Valve Robot
  • (1) Quick Start Guide
  • Note: Batteries Included