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Digital Programmable Thermostats • Retain programmed information in the event of a power loss White color Low Voltage Thermostat, Stages Heat 2, Stages Cool 1, Temp. Settings per Day 4, Programs per Week 5-2, Terminal Designations R, C, Y, G, O, B, AUX, E, L, WiFi Capability No, System Switching Heat-Cool-Off-Emergency, Fan Switching Auto-On, Display Size 1.73 sq. in., Display Type Backlit, Automatic Changeover No, Humidification Control No, Remote Sensing Capability No, Low Battery Indicator Yes, Dual Transformer Compatible No, Power Method Hardwired/Battery, Voltage 20 to 30VAC The Honeywell PRO series includes the easiest to install and use thermostats on the market. In fact, the TH4210D1005 can be programmed in less than five minutes! Our customers are so pleased with its performance that it is one of the most highly-rated thermostats on our site, and it is praised for its convenience, simplicity, and reliability. This digital thermostat has 5-2 day programming so you can vary the settings for weekdays and weekends depending on your schedule. Honeywell also offers a 5-year warranty on this highly-recommended unit.
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