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The Honeywell YTHX9421R5069 works in the following applications:
The Honeywell PRESTIGE IAQ 2.0 Comfort System Kit YTHX9421R5069 is a high definition touch screen thermostat for your home. This Honeywell comfort system thermostat can control up to 4 heat/2 cool heat pumps or 3 heat/2 cool conventional systems. For example, the Presitge IAQ 2.0 comfort system will control your furnace, air conditioner and whole house humidifier in one easy system.
Honeywell PRESTIGE IAQ 2.0 Comfort System Kit YTHX9421R5069 Specifications:
This thermostat system is arctic white and features tri-lingual display, as well as a high definition color touch screen. Prestige IAQ 2.0 comfort system parts included in this kit are the Honeywell wireless outdoor sensor, prestige equipment interface module and Honeywell duct sensors. These genuine Honeywell parts will keep your thermostat working at its best. The Honeywell Prestige IAQ 2.0 Comfort System Kit features a display size of 8.06 square inches and is 7 day programmable.