Aprilaire® Wi-Fi Thermostat with IAQ Control, Series: 8400, 24 VAC, 1 - 2.5 A, 7 day Program Programmability, Auto Changeover, Battery Power Source, 2 Heat/2 Cool, 4 Heat/2 Cool Heat Pump -Stage, 4.5 sq-in LCD, Universal Display, Temperature Settings: 45 - 99 deg F, 32 - 120 deg F Ambient, -30 to 140 deg F Storage, 5 - 90% RH Humidity, +/-1 deg F Accuracy, RC, R, W, Y, G, C, S1, S2, 0/B, L, W2, Y2 Terminal Designation, 5-1/4 in W x 4-1/2 in H x 1 in D

• Set back the temperature overnight and when you're away, the Wi-Fi thermostat improves accessibility
• Progressive recovery ensures your home is always at your desired temperature by activating the heating and cooling equipment prior to a scheduled setting
• The model 8476W Wi-Fi thermostat is a programmable thermostat offering temperature and fresh air management in a quality digital control
• It works with both standard and heat pump HVAC systems and is installed by a local HVAC professional
• 5-1-1 day - create a different program for weekdays, Saturday and Sunday, 5-2 day - create a different program for weekdays and weekends
• A large 4.5 sq-in LCD screen with a high-contrast, backlit display for easy reading
• Easy-to-use temperature control and the ability to override the program schedule at any time
• Simultaneous temperature display of room temperature, temperature setting and outdoor temperature, in fahrenheit or celsius
• Service reminders for your HVAC system, humidifier, dehumidifier and air filter protect your equipment and ensure the longevity of your investment
• Permanent memory maintains programming, time and date during a power outage
• Simple setup menu to activating optional features
• Quick reference instructions on board
• Soft-touch keypad
• Event Based air cleaning - when paired with an Aprilaire whole-home air purifier, the model 8476W Wi-Fi thermostat allows you to clean your home's air on your terms with Event Based air cleaning
• Event based air cleaning includes constant clean runs 24/7, automatic runs for a minimum of 30 min every hour, event clean runs for 3 hr and allergy runs for 24 hr and then returns to the most recent mode
• 32 - 99 deg F display range