RTH7400/RTH7500
3 69-2104ES—01
M28071
Pre-installation checklist
RTH7400/RTH7500 thermostat
(wallplate attached to back)
Wire labelsWall anchors and
mounting screws (2 each)
Operating manual
Note: Remove wallplate from the thermostat and see the label on the
back of the thermostat for model number.

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

Make sure this package includes: