Part # GCLK (shown) For System 2000 GEN II

The GCLK is a 24-volt, 7-day time clock designed for the System 2000 GEN II zoning system. This unique, compact time clock provides a single channel, 24-hour or 7-day global scheduling for Occupied (on) and Unoccupied (off) system operation. A maximum of 20 program events are provided for On-Off schedules.

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