Hunter P2C-400 16-Zone Pro-C Outdoor Controller
The professional’s Pro-C, pre-built to 16 stations. This kit pairs the outdoor P2C-400 4-station base with a PCM-300 3-station module and a PCM-900 9-station module. Use conventional wiring now, add one more PCM later to reach 23 stations, or mix in EZ Decoder two-wire. Choose the Add Wi-Fi variation for PC-WIFI and Centralus — this listing is the Pro-C platform, not Hydrawise HPC-400.
What’s in this kit
- Hunter Pro-C P2C-400 outdoor controller (4-station base)
- Hunter PCM-300 3-station plug-in module
- Hunter PCM-900 9-station plug-in module — 16 conventional stations total
- Optional: PC-WIFI module on the Add Wi-Fi variation
Key Specifications & Features
- Platform: Hunter Pro-C P2C-400 outdoor modular controller (not Hydrawise HPC-400)
- Programming: 3 automatic programs, 4 start times per program, up to 6-hour station run times
- Expansion: Conventional wiring from 4 to 23 stations with PCM modules
- Two-wire option: Hybrid EZ Decoder control up to 32 total stations (28 maximum if two-wire only) with a PC-DM module and EZ-1 decoders
- Sensors: Two sensor inputs for Hunter Solar Sync or any Clik sensor
- P/MV: 1 pump start / master valve output
- Display: High-visibility backlit facepack for programming in any light
- Seconds Mode: Optional station run times from 1 second to 5 minutes
- Easy Retrieve® Memory: Manual backup and recall of preferred programming
- QuickCheck™: One-button field-wiring diagnostics
- Wi-Fi: Optional PC-WIFI module for Centralus remote management — choose the Add Wi-Fi variation
- Compatibility: Backward compatible with modular PC-400 models dated 2014–2023
- Electrical: 120 VAC input; 24 VAC / 1 A transformer; 0.56 A station output; 0.28 A P/MV output
- Approvals: IP44 outdoor cabinet, UL, cUL, FCC, CE, UKCA, RCM, ISED
- Warranty: 2 years
Advanced Features
WaterSense® smart watering with Solar Sync

Add a Solar Sync® sensor to enable automatic weather-based run-time adjustment. Hunter controllers installed with Solar Sync are independently verified for water-saving features, and Solar Sync is EPA WaterSense® approved.
Easy Retrieve™ Memory
Store complete controller scheduling and setup in backup memory, then restore it after seasonal changes or a new installer takes over the site.
Automatic short-circuit protection
The controller skips only the station with a wiring fault so the rest of the schedule keeps running.
QuickCheck™
Press one button to scan stations. An ERR message identifies the station with a field-wiring short.
Seasonal adjustment
Global: apply one percentage to all station run times. Daily: with Solar Sync, the controller adjusts automatically from measured local weather.
Frequently Asked Questions
Is this the Hydrawise HPC-400?
No. This is a Hunter Pro-C P2C-400 kit with PCM expansion modules installed. It programs at the backlit facepack and uses optional PC-WIFI + Centralus for remote access. Hydrawise, Predictive Watering™, and the HPC color touchscreen are a different controller.
What is included in this 16-zone kit?
The outdoor P2C-400 4-station controller, one PCM-300, and one PCM-900. The modules are installed so the controller is ready for 16 conventional stations out of the box.
Can I add Wi-Fi later?
Yes. Choose the Add Wi-Fi variation to include the PC-WIFI module, or add that module later. Centralus is the Pro-C cloud software — it is not Hydrawise.
Can I expand beyond 16 stations?
Yes. One more PCM-300, PCM-900, or PCM-1600 slot combination can take conventional wiring to 23 stations. For two-wire or hybrid jobs, add a PC-DM decoder module and EZ-1 decoders (up to 32 total stations).
Does this use Solar Sync or Hydrawise weather?
Pro-C uses Hunter Solar Sync (or Clik sensors) on its two sensor inputs. It does not use Hydrawise Predictive Watering.












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