pProg/NonProg 3H/2C TstatppThe IAQ T855 Prog/NonProg 3H/2C Tstat can replace a standard 2stage programmable device with just an upgrade to the single hole mount faceplatethe homeowner will not be required to relocate any existing wall switches and thermostat wire connections This programmable Tstat offers IAQs patented YieldDesign technology, which helps increase air flow by minimizing airflow interruptions IAQ SmartConnect, which allows you to set an automatic delivery schedule and IAQ EcoAllowance, which adjusts the outdoor temperature compensation based on the seasonpEnjoy the comfort of your home yearround with the T855 IAQ Prog/NonProg 3H/2C Tstat With its multiple installation options, you can install the T855 inside the wall or in a standard junction box Its touch screen display ensures ease of programming while adding beauty to your home With features like Intelligent Diagnostics and Temperature Recovery, this thermostat provides diagnostic relief while maximizing energy efficiencypThis nonprogrammable, accurate 522/311 time proportioning programmable thermostat can be used with Time Program or Perfect Day programming to maintain precise temperature control It is ideal for any application where more precise temperature control is needed, such as new construction applications, hotels, nursing homes, hospitals, educational facilities, large buildingspThis Prostatstat is IAQcompliant meaning it helps you fulfill the requirements from your HVAC installer from the first day of installation Its used to control heating and cooling where there isnt access to warm or cold water Supplies the 24VAC power needed for operation of a Prog Stat Programable statpPRO 1 IAQ Residential ThermostatpThe T855 programmable thermostat can operate nonprogrammable carriers, part load centrifugal and multistage gas burner systems for 3 stage gas, single stage oil or combination systems It automatically compensates for altitude based on the preselected setback schedule Other features are 2/1 stages with RTDs, US/METRIC temperature display, soft touch keypad with prompts, spDesigned for a 3stage Heat Pump/Air Conditioning system where comfort control will be provided by a Progammable Thermostat