About your new thermostat, Features – Honeywell RTH6400 User Manual
Page 4
                                    Advertising
                                    
                                        
                                    
                                
                                 
Operating Manual
69-22ES—0
2
About your new thermostat
Congratulations on the purchase of your new Honeywell thermostat. It has been 
designed to give you many years of reliable service and easy-to-use, push-button 
climate control.
Features
• Separately programmable weekday, Saturday, and Sunday schedules.
• One-touch temp control overrides program schedule at any time.
• EnergyStar
®
compliant to greatly reduce your heating/cooling expenses.
• Large, clear, backlit display is easy to read — even in the dark.
• Displays both room temperature and temperature setting.
• Removable battery holder for fast, easy replacement.
• Built-in compressor protection.
                                    Advertising