The Honeywell TotalZone Add-A-Zone Zone panel used to add zones to TZ-4.
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- Used with TZ-4 Control Panel to expand number of zones.
- Uses multiple TAZ-4 Control Panels to control up to 32 zones.
- Each TAZ-4 panel adds control of up to 4 additional zones to the TZ-4 TotalZone Zone Control System.