SONOFF Hydro Series Hydro ONE Zigbee Smart Water Valve With Flow Meter | SWV-ZFU/SWV-ZFE
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- EU Version: Ships around April 30
- US Version: Ships around June 5 for most states, while California ships around June 30.
Note 2: If you have pre-order and in-stock in the same order, shipment of your in-stock items may be delayed until your pre-order item is ready for shipping. We recommend placing pre-order items separately.
Note 3: The EU and US versions differ in the thread specifications of the water inlet and outlet, and they are not interchangeable. Please choose the appropriate version.
Technical details, troubleshooting or setup tips? Access the SWV-ZFU/SWV-ZFE knowledge center for all the info you need.
SONOFF Zigbee Smart Water Valve—Hydro ONE
Farewell to Traditional Water Control
Fully covering traditional basic water control, it replaces cumbersome small-screen & physical button operation with mobile visual UI control. Effortlessly manage water at home or on the go for a fully upgraded water usage experience!
No Gateway? No Problem — Proximity Mode
When no Zigbee gateway is available — or outdoor zigbee signals are unstable — simply connect your phone via proximity mode for irrigation control and essential settings.
One Valve, Unlimited Uses
Upgrade your outdoor watering in just 3 minutes and cover most of your outdoor water needs.
Professional Materials. Easy Installation. Instant Smart Upgrade.
Quick Installation for a Smarter Outdoor Water System
Brass Water Inlet for Sturdiness and Durability
Note: It is recommended to install vertically as horizontal installation may increase the error in flow rate measurement.
Precision Irrigation, Perfectly Organized
Create up to 6 smart schedules. Choose between timed and volume-based irrigation mode to save water, reduce effort, and irrigate with confidence.
HOW OFTEN
Mode 1: Odd-Even
Mode 2: Interval 1 to 30 days
Mode 3: Custom
Seasonal Adjustment for Healthier Plants
Adjust watering duration and volume according to the seasons, with freely adjustable irrigation multipliers, ensuring plants receive appropriate watering year‑round and eliminating wasteful overwatering.
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*In freezing weather, please close the valve and drain any remaining water to prevent freezing and cracking, protecting your device. The multipliers shown are for reference only. Please adjust based on your local climate and plant needs.
Weather-Aware Irrigation That Thinks Ahead
In case of severe weather, all watering schedules scheduled to run within the next 24 hours will be automatically skipped,
ensuring irrigation better aligns with actual weather conditions.
Note: This feature relies on third-party weather data. Due to regional coverage and data update delays, actual weather conditions may differ, which could affect the watering schedule.
Advanced Safety Protection for Worry-Free Watering
Multiple safety mechanisms make automated irrigation truly reliable.
*When the child lock is activated, the local buttons become inactive and control is only available via the APP.
*When the child lock is activated, the local buttons become inactive and control is only available via the APP.
Every Irrigation, Fully Recorded
View watering history by day, month, or half-year. Quickly spot abnormal irrigation, export records, and manage watering like a pro.
Smart Connectivity Makes Irrigation Effortless
Works with Apple Home Via Matter Bridge
All solutions integrate SONOFF Zigbee devices into your Apple ecosystem via Matter Bridge, enabling seamless interconnected device control.
Learn More about ZBBridge-U | Learn More about eWeLink CUBE
Easily Integrates with Open-Source Platforms
Built on the Zigbee 3.0 standard, this device effortlessly connects with a wide range of third-party platforms.
*Currently, using the Hydro One with ZHA requires the script. For detailed instructions, please refer to: https://help.sonoff.tech/docs/SWVZFU-SWVZFE
Zigbee Ecosystem Compatibility
Choose Your SWV Smart Water Valve
- Matter Bridge: ZBBridge-U, iHost, Cube OS with SONOFF Zigbee Dongle
- This function requires adding the device to the eWeLink app via the SONOFF zigbee gateway and syncing it to third-party platforms through cloud-to-cloud integration.
- Direct access to Alexa/SmartThings ecosystems via dedicated ecosystem gateways.
Specification
Specs & User Manual
Hydro ONE is a smart water valve that supports Zigbee 3.0 and proximity communication, allowing it to work with a Zigbee gateway or coordinator and integrate with compatible smart home systems. Even if the gateway goes offline, essential irrigation control and basic settings can still be operated locally. An upgraded brass water inlet enhances durability against long-term water pressure and sun exposure. With flexible time- or volume-based schedules, weather-based skip, and seasonal adjustment, it enables precise irrigation. Real-time alerts, child lock, and detailed water usage reports ensure safer and smarter water management.
User Manual (PDF)Hydro ONE
Hydro series
SWV-ZFU/SWV-ZFE
TLSR8656
6V⎓（4*1.5V AA）
Zigbee 3.0 / BLE（Bluetooth Low Energy）
IP55
152x100x46mm
PC+ABS
0.06~0.8 MPa
5~60℃
5~40℃
5%~95% RH,non-condensing
FAQ
1. What's the difference between SWV-ZFE and SWV-ZFU? Can they be used together?
SWV-ZFE and SWV-ZFU are smart water valves designed for different regions. They offer the same features, but differ in their inlet and outlet thread specifications.They are not interchangeable unless your piping system supports both standards.
- SWV-ZFE: Uses British Standard Pipe (BSP) thread, thread designation G3/4-14, with a 3/4" nominal size. Recommended for use in the UK, Europe, and most regions that adopt BSP standards.
- SWV-ZFU: Uses National Hose (NH) thread, thread designation NH3/4-11.5, with a 3/4" nominal size. Recommended for use in North America.
2. The water is flowing, but the device shows "No Water" and shuts off automatically — why?
If the flow rate is below 5L/min, the device will detect it as a "No Water" condition and the valve can be set to automatically shut off after a specified duration.
If this happens frequently, try increasing the water flow.
3. What is the flow rate range that the flow meter of the device can detect?
The flow meter can detect the range of 2~45L/min. Please keep the water flow rate within this range.
4. Will unstable water pressure affect the irrigation volume statistics?
No. The SWV automatically adjusts calculations based on actual flow rate, even under fluctuating water pressure, to ensure accurate irrigation volume tracking.
5. Can water shortage control the valve status?
Yes. You can set the on/off status of the water valve after the device detects water shortage in the settings page.
6. Can the inlet and outlet be installed in reverse, e.g., installing a faucet on the outlet?
Reverse installation is not supported. Do not install a faucet on the outlet. Please follow the installation guide and install in the correct direction.
7. Can it be connected to drinking water?
Not recommended. Connecting to drinking water has strict safety requirements for valve materials. The SWV is mainly designed for garden irrigation with tap water.