The Honeywell Thermostat TH3210D1004 is among the best digital thermostats in the market. The first feature that makes it good is the precision with which one can control the temperature. Its margin of error is just 0.5 degrees Celsius. This precision ensures comfort just the way you want it. It has a very basic operation with very easy to use slide switches to set it to heating or cooling. Though it really simple to control the thermostat, it might prove useful to have some basic technical info about the Honeywell Thermostat TH3210D1004. That why the user manual is vital. Simply click here to get the Honeywell Thermostat TH3210D1004 manual.