4
To prevent electrical shock and/or equipment damage, disconnect electric
power to system at main fuse or circuit breaker box until installation is
complete.
CAUTION
This product does not contain mercury. However this product may replace a
product that contains mercury.
Mercury and products containing mercury must not be discarded in household
trash. Do not touch any spilled mercury. Wearing non-absorbent gloves, clean up
any spilled mercury and place in a sealed container. For proper disposal of a
product containing mercury or a sealed container of spilled mercury, place it in a
suitable shipping container. Refer to www.thermostat-recycle.org for location to
send the product containing mercury.
ATTENTION: MERCURY NOTICE
STEP 1. Remove the Old Thermostat.
1. Cover
2. Base, which you can remove by loosening all screws
3. Wall plate, which you can remove by unscrewing the
mounting screws that hold it on the wall or adaptor plate

Thermostat Components

Most thermostats consist of three basic parts.
Wall plateBase
Cover

3-Part Thermostat