The Emerson Blue Easy-Install 4-wire thermostat system allows you to upgrade single stage applications to premium high-efficiency systems (staging, heat pump, or heat pump with dual fuel) by using the existing 4 thermostat wires. This thermostat features an easy-to-read 12 sq. in. touchscreen display. This system includes a touchscreen user interface, equipment control and outdoor remote sensor. Direct wiring to furnace board is required as part of installation, so professional installation is recommended.
Install, Configure and Verify . All at the Furnace with Reusable Plug-In Configuration Tool
Large Easy to Read Touchscreen User Interface with Scrolling Text confirms connection to equipment control and simplifies menu configuration
Controls up to 4 Heat / 2 Cool stages with Outdoor Remote Sensor (F145-1378)
7 day Programmable let's your Comfort Match Your Lifestyle
Optimizes Efficiency on Heat Pump Systems with Dual Fuel Control