Venstar "FlatStat" Flushmount Programmable MultiStage Thermostat (same as Totaline P374-1100FM) Standard Features One for All 2-stage heat, 2-stage cool for use with gas/electrics, heat pumps, electric & hydronic heat 7-day programmable Energy Star rated and accepts the optional outdoor air temperature sensor. Autochangeover - automatically switches between heating and cooling as needed Thermostat-locking - set points can be adjusted only by authorized individuals when this feature is on All programming and set points stored in non-volatile memory and are never lost in a power failure LED indicator glows green or red to indicate cooling or heating Mounting bracket included for easy drywall installation, or fits in 2" x 4" junction box 1 Year Warranty Replaces: Totaline P374-1100FM, Carrier TSTATCCPF701, Bryant TSTATBBPF701