Honeywell RTH8500 Installation Manual page 2

This thermostat provides control of 24 VAC heating and cooling systems, or
750mV heating systems.
MERCURY NOTICE: Do not place your old thermostat in the trash if it contains
mercury in a sealed tube. Contact your local waste management authority for
instructions regarding recycling and proper disposal.
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
For assistance with this product please visit
or call Honeywell Customer Care toll-free at
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US Patent 6595430, D520,386 and other patents pending.
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