Honeywell RTH221 Series Quick Installation Manual page 26

MERCURY NOTICE: Do not place your old
thermostat in the trash if it contains mercury in a
sealed tube. Contact the Thermostat Recycling
Corporation at www.thermostat-recycle.org
or 800-238-8192 for information on how and
where to properly and safely dispose of your old
thermostat.
CAUTION: To avoid possible compressor
damage, do not run air conditioner if the outside
temperature drops below 50°F (10°C).
Automation and Control Solutions
Honeywell International Inc.
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Golden Valley, MN 55422
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