Old Thermostat Removal; Remove Old Thermostat - Honeywell RTH100B Guia De Instalacion

Remove your old thermostat
1. Turn off power at heating/cooling system (or fuse/circuit-breaker
panel).
2. Remove cover and thermostat, but leave wallplate with wires
attached.
Leave wallplate in place
Old
thermostat
Cover
Is there a sealed tube containing mercury?
If so, see inside front cover of this manual
for proper disposal instructions.
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RTH5100B