Aprilaire 8840 7-Day Programmable Heat Pump Touchscreen Thermostat

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The Aprilaire Model 8840 Wi-Fi Thermostat with ​IAQ Control is for homeowners who want total comfort and control over all aspects of indoor air quality. As the most comprehensive controller Aprilaire offers, the Model 8840 goes beyond simple temperature management to include humidity, air purity and air freshness control. All of these indoor air essentials come into perfect balance with one, easy-to-operate touchscreen control.