Smart shutoff valves
Compare automatic main-line shutoff valves by leak response, pipe fit, power, connectivity, and installation checks.
UJV GR-W-105N GR-W-105N WiFi Universal Ball Valve Smart Water Shutoff Manipulator
Features
- Universal ball valve controller
- Works with 1/4-turn ball valves
- Remote control via Tuya Smart or Smart Life app
- Automatic shutoff with water leak detection
- Compatible with Alexa and Google Assistant
- No hub required
General specs
- Brand: UJV
- Model: GR-W-105N
- Seller: Retailer
- ID: B0B3SXL9L4
- Brand: UJV
- Features: Remote control, Timer function, Automatic water leak shutoff, Voice control
- Material: Black
- Valve Type: 1/4-turn ball valves
- Application: Water pipes, Natural gas pipes, Pool filling, Farm irrigation
- Connectivity: WiFi 2.4 GHz
- Compatibility: Alexa, Google Assistant, Smart Life, Tuya Smart
- Product Dimensions: 5.26 x 4.8 x 3.7 inches
- Wireless Requirement: No hub required
- Pipe Size Compatibility: 1/2 inch, 3/4 inch, 1 inch
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
Control your home's water and gas supply from anywhere with the Ufairy WiFi Smart Water Shutoff Manipulator. This device mounts directly on existing 1/4-turn ball valves, making it perfect for automating water heaters, sprinkler systems, or main water lines in a home. Avoid costly water damage by pairing it with a separate leak sensor: when a leak is detected, the controller immediately shuts off the valve. You can also set daily timers through the Tuya Smart or Smart Life app to turn on irrigation or off-peak water heating automatically. Voice commands via Alexa or Google Assistant let you check or change valve status hands-free while cooking or when your hands are full. No hub is required, and it works only with 2.4 GHz Wi-Fi. The black casing blends with exposed plumbing, and installation takes minutes with no special tools.
Using the app, you monitor valve position in real-time and receive alerts if a manual override is needed. Whether you are at work or on vacation, this controller gives you remote shutoff capability that adds a crucial layer of protection and energy savings to your home.
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| Brand | UJV | Tuya | Blindsmart | ELROTONEG | Tuya | Jinvoo |
| Model | GR-W-105N | A38M | SVC2 | |||
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| Price | €24.09 | €22.02 | €32.12 | €24.98 | €37.51 | €28.56 |
| Seller | Retailer | AliExpress | Retailer | Retailer | Banggood | Retailer |
| Update | Jun 19, 2026 | Jul 10, 2026 | Jun 19, 2026 | Apr 5, 2026 | May 9, 2026 | Jun 19, 2026 |
| Material | Black | Plastic | 59-1 Copper Valve, Flame Retardant PC Shell | |||
| Connectivity | WiFi 2.4 GHz | WiFi, Zigbee | WiFi | |||
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