5-1-1 Day Programmable Thermostat — Single-Stage (Up to 1 Heat/1 Cool) with White Backlight

Overview: A 5-1-1 day programmable thermostat built for conventional single-stage heating and air conditioning. Supports up to 1 Heat and 1 Cool and includes a white backlight for easy viewing. Compatible systems: Gas/Oil/Electric Furnace (Heat only); Boiler Radiant (Heat only); Furnace Forced-Air (Heat Only); Gas Fireplace (24 Volts); Cooling Only; Only 1H/1C Heat Pump (without aux) Systems. Not compatible with: multistage systems (1H/2C, 2H/2C); HVAC heat pump systems (2H/1C, 4H/2C); PTACs; 3-wire hydronic (hot water); dual fuel/hybrid heating. Also incompatible with line voltage systems (120-240V electric baseboards heat), mini split heat pump air conditioner, and RV air conditioners mach and roughneck series. Installation and wiring: Please review the installation and wiring diagrams shown in the product images before purchasing. If you are not experienced with thermostat wiring, exercise caution to avoid incorrect installation, product malfunction, or incompatibility. The thermostat base can only be attached with a maximum of 2 to 5 wires; it is not suitable for connections with 6 to 8 wires. Temperature performance: Precise temperature control to +/-1-Degree F for consistent comfort. Room temperature display range: 41°F to 95°F. Temperature control range: 44°F to 90°F.