Aprilaire® Wi-Fi Thermostat with Event-Based Air Cleaning and Humidity or Ventilation, 18 - 30 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, 10.3 sq-in Universal Touchscreen Display, Temperature Settings: 40 - 99 deg F, 32 - 120 deg F Ambient, -30 - 140 deg F Storage, 5 - 90% RH Humidity, +/-1 deg F Accuracy, C, B, O, Y, Y2, G, RC, R, W2, W, L, S2, S1, T1, T2, I1 and I2 Terminal Designation, 6 in W x 4-15/16 in H x 1-5/16 in D

• When paired with the appropriate Aprilaire whole-home air quality solution, the model 8620W WiFi thermostat can be configured to control air purity and one of the following - humidification, dehumidification or ventilation
• Event-Based Air Cleaning - when paired with an Aprilaire whole-home air purifier, the model 8620W allows you to clean your home's air on your terms with Event-Based Air Cleaning
• Energy savings, comfort and convenience - the model 8620W WiFi thermostat is easy to program and helps you save money on energy costs by allowing you to set back the temperature during the night or when you're away
• ON 24/7 - full time, non-stop air cleaning
• Auto - circulates and cleans the air
• Event 3 hr - cleans for a 3 hr period
• Allergy 24 hr - cleans for a continuous, 24 hr period
• +/- 4 deg temperature offset
• Programmable fan, progressive recovery, built-in equipment protection, equipment stage indication, permanent memory, Heat Blast instant temperature override
• Real language programming/set up - no manual needed, no codes to memorize
• Full or limited screen lockout
• Real time clock automatically adjusts for daylight savings time
• 32 - 99 deg F display range