LUX-PRO T10-1141SA Standard Heating ThermostatLUX-PRO T10-1141SA Standard Heating Thermostat Features: Standard heat only thermostat Accurate universal replacement Reliable mercury switch Decorative wall plate and installation hardware included Energy Star rating Use with low voltage, 24 volt AC systems for gas, oil, or electric systems, Millivolt, wall furnace, or 2 wire hot water systems One year warranty Carded