SPW Hunter Hydrawise HPC-400 Wi‑Fi Irrigation Controller — 4‑Station Expandable to 16, Weather‑Smart Scheduling

The SPW Hunter Hydrawise HPC-400 is a Wi‑Fi enabled irrigation controller that manages 4 zones out of the box and expands to 16, offering remote app control, weather‑based scheduling, and diagnostic sensors for smarter watering.

The HPC-400 blends internet connectivity, modular expandability, and on‑site troubleshooting tools into a single landscape irrigation controller designed for contractors and advanced homeowners. It uses online Hydrawise software and mobile apps for iPhone and Android so schedules adapt to local weather, while optional flow meters and remotes provide extra leak detection and hands‑on control. The unit installs indoors or hardwired and supports common accessories used by professional installers.

How does the HPC-400 save water and reduce maintenance?

The controller uses live local weather inputs to automatically fine‑tune irrigation run times and skip cycles when rain or unsuitable conditions are detected. Built‑in electrical sensing and optional flow monitoring cut troubleshooting time by surfacing wiring faults and abnormal water usage.

• Automatic schedule adjustments using temperature, humidity, wind, and rainfall probability
• Milliamp wire sensor flags solenoid or wiring problems quickly
• Optional HC Flow Meter alerts for leaks or broken sprinklers
• Web and mobile alerts for system issues to prompt faster fixes

Can I control the HPC-400 from anywhere and integrate it into smart homes?

Yes — connect the controller to your Wi‑Fi network, then manage programs from the Hydrawise web portal or smartphone apps. It also works with Amazon Alexa for simple voice commands and supports Roam/ Roam XL remotes for local on‑site adjustments.

• Full remote control via Hydrawise web and iOS/Android apps
• Voice commands via Amazon Alexa for start/stop and suspend functions
• Compatibility with Roam and Roam XL handheld remotes for instant manual control
• Real‑time notifications and scheduling updates pushed to your device

What installation and expansion options are available?

The HPC-400 ships as a 4‑station controller that can be expanded to manage up to 16 zones through optional modules. It includes a 5' power lead for indoor plug‑in use or the cord can be removed to hardwire the controller into a junction box for permanent installs.

• 4 zones standard, expandable to 16 with SPW/Hunter compatible modules
• Indoor plug‑in power cord included; cord removable for hardwiring
• Simple Wi‑Fi setup for fast online onboarding and schedule syncing
• Supports HC Flow Meter and other professional irrigation accessories

How does the HPC-400 help contractors and landscape professionals?

Contractors benefit from faster diagnostics, remote management, and satisfied clients who expect smart home features. The controller reduces site visits by enabling remote changes, sending system alerts, and providing clear fault indicators for wiring and flow problems.

• Remote programming cuts follow‑up trips and speeds response times
• Built‑in diagnostics (milliamp sensor) simplify troubleshooting on site
• Optional flow monitoring protects customers from water damage and waste
• EPA WaterSense approved for water conservation credibility

Who is this for? The SPW Hunter Hydrawise HPC-400 is aimed at irrigation contractors, property managers, and tech‑savvy homeowners who want a professional, scalable controller that integrates weather intelligence and remote control. Choose the HPC‑400 if you need a compact 4‑zone base with easy expansion, built‑in fault detection, and app‑based management for efficient landscape watering and quicker service delivery.