Honeywell Prestige IAQ YTHX9421 Installation Manual page 16

DISCONNECT POWER BEFORE INSTALLATION. Can cause electrical shock or
equipment damage.
This thermostat contains a Lithium battery which may contain Perchlorate
material. Perchlorate Material—special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate
MERCURY NOTICE: If this product is replacing a control that contains mercury in a
sealed tube, do not place the old control in the trash. 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.
Must be installed by a trained, experience technician. Read these instructions
carefully. Failure to follow these instructions can damage the product or cause a
hazardous condition.
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1-888-245-1051
Automation and Control Systems
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Golden Valley, MN 55422
http://customer.honeywell.com
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