Pre-installation checklist
Make sure this package includes:
RTH7400/RTH7500 thermostat
(wallplate attached to back)
Wall anchors and
mounting screws (2 each)
Note: Remove wallplate from the thermostat and see the label on the
back of the thermostat for model number.
Operating manual
Wire labels
M28071
Required tools & supplies
• No. 2 Phillips screwdriver
• Small pocket screwdriver
• Drill
• Drill bit (3/16" for drywall,
7/32" for plaster)
• Hammer
• Pencil
• Electrical tape
• Level (optional)
• Two fresh AA alkaline batteries
RTH7400/RTH7500
69-204ES—0