Standard Features

• 3 configurable outputs for maximum flexibility (except T1700)
• Heat pump compatible
• Backlit, color-coded keys and legends
• Large, easy to read backlit display
• Configurable programmable or non-programmable
• Configurable manual or auto changeover
• LED indicator glows green or red to indicate cooling or heating
• Service filter and UV light indicators
• Fahrenheit or Celsius display
• Non-volatile memory
• Keypad lock
• Accepts the IR remote control accessory
• Accepts the humidity module accessory
• Accepts the EZ Programmer Accessory
• Accepts the Comfort Call Telephone Acces

Model T1800

• All of T1700 features
• 7-day programmable
• 3-Heat/2-Cool
• Controls to, or monitors a 2nd sensor
• 3-configurable outputs
• Hi/Low outdoor temps of the day
• Programmable fan
• Accepts humidity module
• Energy Save
• Energy-Star rated