Ace Programmable Thermostat (Atx1500)

4 program period per day Weekdays & weekends can be different Pre-programmed On screen programming, temperature calibration, low battery indicator Vacation hold Temporary override Filter monitor Adjustable cycle rate Compatibility: all 24 volt systems, low voltage electric heating, gas heat, oil heat, electronic ignition system, millivolt systems, single stage heat/cool pump Not for use on: 2 stage heat pump systems, 3 wire hot water systems, 120/240 line voltage systems Can be used with heat/cool, heat only or cool only systems "Energy Star" compliant