What safety warnings and disposal instructions apply to the TH8320R1003?

The thermostat contains a Lithium battery with potential Perchlorate material requiring special handling (see www.dtsc.ca.gov/hazardouswaste/perchlorate). If replacing an older control containing mercury, do not discard it with regular trash—contact your local waste management authority. The product and batteries must not be disposed of as household waste; find authorized collection centers or recyclers for proper end-of-life disposal.