More Specifically the 1F85CA-0471 device is compatible with all 24 VAC or millivolt systems; and includes heat pump, 3 heat/2 cool, and multi-stage 2 heat/2 cool stages. The 1F85CA-0471 model is also dual-powered which allows the installer to choose the power source; the options available are Hardwired power, or Battery power. 5/1/1 Day, or 5/2 Day Programmable or Non-Programmable support modes are integrated into the Emerson Blue 1F85CA-0471 model device.
The Emerson Blue 1F85CA-0471 model thermostat includes additional features such as 3 wire zone valve support, Energy Star certified, and permanent program retention in the event of a power failure. A unique "Active Comfort Alert System Protection" feature is an exclusive automatic mode that keeps comfort levels at a prestige level; the user inputs the ideal temperature and the thermometer regulates temperatures to remain comfortable.
