SPW Hunter Hydrawise HPC-400 — 4–16 Zone Wi-Fi Irrigation Controller

Smart irrigation that adapts to the weather

Meet the SPW Hunter Hydrawise HPC-400, a Wi‑Fi irrigation controller designed to scale from 4 zones to 16 with optional expansion modules. It blends digital scheduling with hands‑on flexibility, letting contractors and homeowners manage watering from both the field and the office. Whether installed indoors with a simple lead or wired into a junction box, its online capabilities unlock on‑demand access via smartphones, tablets, or computers, anywhere you have internet.

Why this controller stands out

Hydrawise brings weather‑aware logic into a modular platform. Local climate data informs irrigation cycles so landscapes receive consistent moisture while minimizing waste. The built‑in milliamp sensor helps diagnose wiring issues quickly, and optional flow meter integration can generate alerts for leaks or broken sprinklers.

• 4 zones, expandable to 16 with expansion modules
• Wi‑Fi enabled for simple, fast internet connection
• Automatic watering schedule updates through Hydrawise software
• Roam and Roam XL remote compatibility for on‑site control
• Weather data including temperature, rainfall probability, wind, and humidity
• Indoor use option with 5 ft lead or easy hardwire into a junction box

Smart scheduling at a glance

Predictive Watering uses real‑time weather signals to adjust run times and intervals, helping lawns and gardens drink in what they need without excess. Instant alerts notify you of anomalies or potential problems, enabling fast, targeted service that minimizes disruption for occupants.

• Predictive watering guided by local weather
• Instant alerts for system issues
• Seamless control from any connected device

Build for the full irrigation ecosystem

Hydrawise supports the HC Flow Meter for flow‑based awareness, so you can catch leaks early and protect pipes. The EPA WaterSense label reflects a focus on water efficiency, while Amazon Alexa compatibility adds voice control for quick adjustments. The design fits professional workflows, whether on a jobsite or at a desk.

• HC Flow Meter integration for leak alerts
• EPA WaterSense certified for water efficiency
• Alexa compatibility for voice commands
• Roam remotes continue to work on‑site for fast checks

Ideal use cases

From large landscapes and commercial properties to homes with shifting weather patterns, scalable zoning, remote oversight, and proactive alerts make this controller versatile. It supports smarter watering decisions, saving time during maintenance and helping landscapes stay resilient through seasonal changes.