Hunter Sprinkler PCM1600 16-Station Plug-in Expansion Module for Pro-C PC-400 Controllers & Hydrawise Pro-C HPC-400 Timers
- Genuine OEM Hunter PCM1600 Expansion Module for Hunter Pro-C Controllers
- 16 Zone Expansion Module fits the Hunter Hydrawise Pro-C (HPC-400) Timer.
- 16 Zone Expansion Module fits the Hunter Pro-C (PC-400) Timer.
- The timer already comes with 4 zones so you would have to get a PCM-300 and this PCM-1600 to bring the controller up to 23 zones.
- These New Version Black Modules are compatible with the old version timers that have the gray modules.