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PCM-900 9-station plug-in module for use with any Pro-C controller model
Used to expand Hunter Pro-C controllers to 15 zones. Requires 1 PCM-300 and 1 PCM-900 in addition to the 3 pre-installed zones.
Note: You CANNOT used one PCM-900 without a PCM-300 to make 12 zones. For 12 zones you must use three PCM-300 in addition to the 3 built in zones.
Used to expand Hunter Pro-C controllers to 15 zones. Requires 1 PCM-300 and 1 PCM-900 in addition to the 3 pre-installed zones.
Note: You CANNOT used one PCM-900 without a PCM-300 to make 12 zones. For 12 zones you must use three PCM-300 in addition to the 3 built in zones.