The Hunter Pro-C PC-400i is a proven, contractor-grade indoor irrigation controller built for residential and light-commercial applications. The modular base unit controls four zones and delivers reliable scheduling, easy programming, and upgrade flexibility when your system grows. Expandable modular design: Base 4-station controller that accepts PCM-300 and PCM-900 expansion modules to increase capacity up to 16 stations as needs change. Power & output: 120 VAC plug-in transformer (24 VAC output, 1 A); station output rated at 24 VAC, 0.56 A per station for dependable valve operation. Flexible programming: Three independent programs (A, B, C) with up to 4 start times per program, up to 6-hour station run time, and non-volatile memory to retain settings. Smart water-saving features: Built-in Solar Sync dial position, Cycle & Soak to reduce runoff, programmable rain delay, and sensor inputs for rain, freeze, wind, and soil moisture devices. Compact indoor cabinet: Durable plastic wall-mount enclosure sized 9" H x 10" W x 4.5" D for neat indoor installations and easy access to wiring and controls. Compatibility & reliability: Works with Hunter ROAM remotes and standard irrigation wiring; backed by a 2-year limited warranty and decades of field-proven performance. Designed for technicians and homeowners who need a dependable, easy-to-expand controller, the PC-400i offers straightforward setup, clear display controls, and robust features for efficient landscape irrigation. See Hunter product manuals and installation guides for wiring diagrams, module ordering codes, and detailed specifications.
