Multi-Zone Irrigation
Compare zone count, scheduling controls, Wi-Fi features, and compatibility checks before choosing a yard irrigation controller or timer.
Hydro-Rain HRC 400 HRC 400 Wi-Fi Smart Irrigation Controller
Features
- Smart watering based on conditions
- Control multiple devices from app
- Rain delay sensor bypass
- Hinged panel-door for easy access
- Fast installation with power cord
General specs
- Brand: Hydro-Rain
- Model: HRC 400
- Seller: Retailer
- ID: B01N6Z8S5S
- Type: Smart Irrigation Controller
- Brand: Hydro-Rain
- Model: HRC 400
- Access: Hinged panel-door for quick valve wiring access
- Stations: 8
- Connectivity: Wi-Fi
- Installation: Factory-installed plug-and-go power cord, No in-field transformer wiring required
- Rain Delay Modes: Manual, Automatic
- Indoor/Outdoor Use: Yes
- Multi-site Management: Control multiple devices from one mobile app
- Smart Watering Options: Based on slope, Based on soil type, Based on sun/shade, Based on historical ET, Based on live weather feeds
- Rain Delay Duration Options: 24 hours, 48 hours, 72 hours, 4 days, 32 days
- 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
The Hydro-Rain HRC 400 is for homeowners who want a smarter, more efficient way to water their lawn. Instead of guessing when to water, you can rely on real-time weather data and site-specific conditions.
This smart controller uses live weather feeds and historical evapotranspiration to adjust watering automatically. You can also manually set a rain delay for 24 hours up to 32 days. The factory-installed power cord means no complicated wiring. The hinged panel door gives you quick access to valve connections. Control multiple devices from one app, making it easy to manage your entire property.
Set up watering schedules based on slope, soil type, and sun or shade. The personal experience: you get a notification after a storm and the controller automatically skips a cycle, saving water and preventing runoff.
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| Brand | Hydro-Rain | HiOazo | Pihode | Aeon Matrix | RainPoint | tolviviov |
| Rating |
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| Price | €151.71 | €71.39 | €49.79 | €160.64 | €50.60 | €53.54 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 19, 2026 | Jun 19, 2026 | May 17, 2026 | Apr 15, 2026 | Jun 19, 2026 | May 27, 2026 |
| Connectivity | Wi-Fi | 2.4 GHz Wi-Fi | Ethernet, Wi-Fi | |||
| Installation Time | 10 minutes | 15 minutes | Less than 15 minutes | |||
| Number of Zones | 8 | 8 | 8 | |||
When this device makes sense
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