To function properly, this product must be used with the THM5421R1013 EIM or the THM4000R1000 TrueZONE Wireless Adapter (both sold separately). This is the THX9421R5013 Thermostat (THERMOSTAT ONLY!, does not include IAQ kit or redlink components). The Prestige® IAQ 2.0 thermostat is a 2 wire high definition color touch screen thermostat, 7 day programmable, configurable for residential and light commercial, up to 4 heat / 2 cool heat pump and up to 3 heat / 2 cool conventional, controls humidification, dehumidification and ventilation, provides Delta T Alerts and Diagnostics, works with the Equipment Interface Module and RedLINKTM accessories including the RedLINKTM Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor and Wireless Indoor Sensor

Product Features

• THX9421R5013 Thermostat (THERMOSTAT ONLY!, does not include IAQ kit or Redlink components) Note: To function properly, this product must be used with the THM5421R1013 EIM or the THM4000R1000 TrueZONE Wireless Adapter (both sold separately).
• Control heating, cooling and IAQ equipment with only 2 wires at the thermostat. Heating, cooling and IAQ equipment wires to the Equipment Interface Module.
• All Prestige® IAQ 2.0 systems come standard with a return and discharge air temperature sensor to measure Delta T.
• Light commercial – commercial language (occupied and unoccupied), schedule holidays and custom events, remote setback, economizer and time of day.
• Precise temperature control (±1 F) for reliable and consistent temperature.