Robertshaw RS6110 1 Heat/1 Cool Digital 7 Day Programmable Thermostat Heat Pump, Single Stage,Standard Plumbing Supply,RS6110" /> Fully programmable with soft touch keys to easily set four events per day AND 7 day scheduling Copy command that makes programming simple to set up and flexible to use Auto Changeover: Switches automatically between heating and cooling for constant home comfort Bigger Brighter Backlight with Nightlight Option Easy Change Battery Access