SONOFF Hydro DUO – Dual-Zone Zigbee Smart Irrigation Controller
The SONOFF Hydro DUO is a smart dual-zone irrigation controller designed to provide precise and flexible watering management for gardens, lawns, vegetable patches, and landscaped areas. Featuring two independently controlled watering zones, it allows customized irrigation schedules tailored to the specific needs of different plants and watering methods.
With Zigbee 3.0 and Bluetooth Low Energy connectivity, Hydro DUO integrates easily with smart home ecosystems while also supporting local control through Proximity Mode when no Zigbee hub is available.
Its durable brass water inlet, tool-free installation, advanced weather-based automation, seasonal adjustment functions, and comprehensive water usage monitoring help optimize irrigation efficiency while reducing water waste.
Main Features
Independent control of two irrigation zones.
Zigbee 3.0 and Bluetooth Low Energy (BLE) connectivity.
Proximity Mode operation without a Zigbee gateway.
Up to 6 watering programs per zone.
Up to 12 total watering schedules.
Time-based watering programs.
Volume-based watering programs.
Independent scheduling for each irrigation channel.
Weather-based irrigation adjustment.
Seasonal watering multipliers.
Water shortage protection.
Automatic shut-off if preset volume is not reached within the configured time.
Low battery alerts.
Frost risk alerts.
Leak detection alerts.
Water shortage notifications.
Child lock protection.
Water consumption tracking for up to 6 months.
Exportable irrigation and consumption data.
Device sharing and multi-zone group management.
Technical Specifications
Product Name: Hydro DUO
Series: Hydro Series
Model: SWV-ZF2U / SWV-ZF2E
Microcontroller: TLSR8258F1KAT32
Power Supply: 3V (4 × 1.5V AA batteries, 2S2P)
Alternative Power Input: USB Type-C 5V / 1A
Connectivity: Zigbee 3.0 / Bluetooth Low Energy (BLE)
Protection Rating: IP65
Dimensions: 121 × 132 × 67 mm
Housing Material: ABS
Operating Water Pressure: 0.06 to 0.8 MPa
Operating Temperature: 0°C to 50°C
Operating Water Temperature: 5°C to 40°C
Operating Humidity: 5% to 95% RH, non-condensing
Operating Altitude: Below 2,000 m
Compatibility
Zigbee 3.0
Home Assistant
Google Home
Amazon Alexa
Samsung SmartThings
Apple Home via Matter Bridge
SONOFF ZBBridge-U
SONOFF iHost
SONOFF eWeLink CUBE
SONOFF Zigbee Dongle Series
Third-party Zigbee platforms
Smart Irrigation Functions
Independent irrigation management for two separate zones.
Support for drip irrigation and sprinkler systems.
Automatic weather-responsive watering.
Seasonal watering optimization by zone.
Customizable irrigation duration and frequency.
Historical water usage analysis.
Multi-zone irrigation control from a single device.
Safety Features
Child lock function.
Low battery monitoring.
Leak detection alerts.
Water shortage detection.
Automatic shut-off in the event of water shortage.
Frost warning notifications.
Real-time abnormal status alerts.
Installation Notes
Quick-connect design for tool-free installation.
Durable brass water inlet for enhanced reliability.
Vertical installation is recommended for optimal flow measurement accuracy.
Remove the valve and drain residual water during freezing conditions to prevent damage.
