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The Honeywell TH4210D1005 PRO 5-2 programmable thermostat features adaptive intelligent recovery which ensures that the programmed temperature is reached by the programmed time. It is designed for 24 Vac conventional and heat pump systems. Easy-to-Use Slide Switches The Honeywell TH4210D1005 programmable thermostat comes with easy-to-use slide switches that make operation simple. Displays Current/Set Temperatures The TH4210D1005 digital thermostat simultaneously shows the current and set temperature on the digital display. Built-In Instructions There are pull-out instructions included with this thermostat that are easy to understand. 5-2 Day Programming Weekdays and weekdays can have different heating and cooling schedule on the TH4210D1005. From the Manufacturer The PRO programmable family of thermostats provides basic and simple programming with specific models for conventional and heat pump systems
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