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CT31
Low-voltage Thermostat
Owner’s
Manual
Getting started
Before you begin, make sure you have:
• Screwdriver
• Hammer
• Level (optional)
• Pencil
• Drill bit (3/16” for drywall, 7/32” for plaster)
® U.S. Registered Trademark. Patents pending.
Copyright © 2005 Honeywell International Inc.
All rights reserved.
Caution cardWire labels
Wall anchors and
mounting screws
(2 each)
CT31 thermostat
Cover plate
Check to make sure your package includes the following items: