This manual covers RTH7400 and RTH7500 models.
(Pull thermostat from wallplate and turn over to find model number)
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not
operate cooling system when outdoor temperature is below 50°F (10°C).
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