Lux LTX100E Programmable 7 Day Thermostat; 1 Heat, 1 Cool

A great value, programmable 7-day or 5/2-day thermostat. Easy to read display and program. A fully featured thermostat with the unique function option to customize 7-day and 5/2-day programming settings. With its simple installation and large lighted display, this is a great choice for any home. Attractive, mercury free design. It has a temporary override, manual hold and keypad lock. You can select Fahrenheit/Celsius settings. Can be used for most 24V heating and a/c systems. Not for use on multi-stage heat pumps, 3-wire hydronic zone valve systems or line voltage systems (120/240 vac). For Use On: • For most 24V heating and A/C systems • 1 heat/1 cool: gas, oil, electric or single stage heat pump systems • 2-wire heat-only hydronic systems (hot water baseboard and radiator) • Millivolt systems (wall heaters/furnaces and gas fireplaces) Not for Use On: • Multi-stage heat pumps • 3-wire hydronic zone valve systems • Line voltage systems (120/240 VAC)