Hunter Hydrawise HPC400 Smart WiFi Irrigation Controller - 4 Zone

In this review of the Hunter Hydrawise HPC400 Smart WiFi Irrigation Controller the bottom line is clear: this is a practical, user-friendly sprinkler controller for homeowners who want automated, weather-smart watering without paying for professional installation. The controller's greatest selling point is the Hydrawise app and its weather-based adjustments, which make it easy to manage schedules from anywhere and reduce water waste. For a typical small yard or garden the HPC400 combines simple DIY setup, dependable outdoor durability, and the ability to expand zones as needs grow.

Key Features

• Smart WiFi Control: The Hydrawise app lets users start, stop, and schedule watering remotely from a phone, tablet, or web browser for full control away from home.
• Weather Based Watering: Real-time forecast adjustments reduce unnecessary watering and can lower outdoor water use by up to half compared to fixed schedules.
• Expandable Zones: The controller ships with 4 zones and supports expansion up to 16 zones with add-on modules so it can grow with a landscape.
• Touchscreen Installation: A labeled wiring layout and step-by-step touchscreen guidance speed up DIY installation to under 30 minutes for many users.
• Outdoor Rated Enclosure: The weather resistant housing is built for reliable outdoor performance and long-term service in a yard environment.

Who It's For

The HPC400 is best suited to homeowners with small to medium lawns or garden areas who want a smart, app-driven irrigation system they can install themselves. It fits owners who prioritize water savings and dislike manually adjusting schedules for changing weather.

It is less appropriate for commercial properties or very large landscapes that need more advanced central control or where professional wiring is preferred; those users should consider larger controllers or systems designed for commercial irrigation.

Pros & Cons

Pros

• Easy setup and intuitive touchscreen guide make DIY installation straightforward.
• Strong app integration and reliable WiFi connectivity deliver convenient remote control.
• Weather-based scheduling effectively reduces water waste and simplifies management.
• Expandable from 4 to 16 zones for future landscape growth.

Cons

• Expansion modules are sold separately, so total system cost grows if many zones are needed.
• Homeowners without stable WiFi may not get the full benefit of remote features.

Specifications

Brand	Hunter
Model	Hydrawise HPC400
Included Zones	4 zones
Expandable To	Up to 16 zones (modules sold separately)
Control	Smart WiFi with Hydrawise app
Key Feature	Weather based watering with real-time adjustments
Enclosure	Weather resistant / outdoor rated

Our Verdict

The Hunter Hydrawise HPC400 is a smart, practical choice for residential yards that need reliable, weather-aware irrigation without professional setup. With intuitive app control, solid weather-based savings, and simple expandability, it represents good value for homeowners who want to reduce water use and manage sprinklers remotely.

Frequently Asked Questions

Can I control the controller from my phone?
Yes. The Hydrawise app provides remote control and scheduling from smartphone, tablet, or web browser.

How many zones does it support right away?
It ships with 4 zones and can be expanded to a total of 16 zones using additional modules.

Is professional installation required?
No. The touchscreen guidance and labeled wiring are designed for DIY installation and many users report setup in under 30 minutes.