Honeywell TH9421C1004 VisionPro IAQ Programmable Thermostat

The TH9421C1004 touch screen universal programmable thermostat provides electronic control of 24 Vac heating and cooling systems, in addition to humidification, dehumidification, and ventilation. This item is intended for use with Honeywell EnviraZone Networked Zoning Systems. If you're looking for the Honeywell VisionPro IAQ with equipment interface module, please see the Honeywell VisionPro IAQ YTH9421C 1002. To see which EnviraZone Networked Zoning Systems this thermostat will work with, please see the "Accessories" tab above.

VisionPro IAQ Features

Contains all features of standard VisionPRO, except arm chair programming.
Thermostat connects with Equipment Interface Module or EnviraZone panel to control temperature, humidification, dehumidification and ventilation from a single point in the home.
Automatically raises humidity levels throughout all rooms in the home, moisturizing air to prevent symptoms of dryness and to protect hardwood flooring and woodwork.
Automatically lowers humidity levels through al rooms in the home, utilizing air conditioning or a whole house dehumidifier to prevent dampness, stickiness or odors; symptoms often associated with air that is too moist.
Removes air pollutants by exchanging the stale air in a house with fresh, filtered air better than having an open window.
Large, Clear Display with Backlighting current temperature, set temperature and time are easy-to-read and all are displayed on the home screen.
Menu Driven Programming Guides you through the scheduling process, showing only necessary information and choices on each screen.
Ability to Select Multiple Days allows you to easily customize the thermostat for your unique schedule.
Real-Time Clock keeps time during power failure; automatically updates for daylight savings.
Armchair Programming allows you to remove thermostat from wall to set the schedule.
Precise Temperature Control (+/- 1 F) reliable, consistent comfort.
Multiple HOLD options allow you to modify schedule indefinitely or for a specific time.
Change Reminders reminds you to service or replace the air filter, humidifier pad, ultraviolet lamp or thermostat batteries.
Programmable Fan increases air quality when combined with a whole-house air cleaner.
Outdoor Temperature Indication (Select Models) shows current outdoor temperature on the display to help you plan outdoor activities.

Application:

Central AC/Heat Pump System

Depth (Inch):

1-1/4

Width (Inch):

6

Height (Inch):

4-9/16

Amps:

0.6-1

Power Method:

Communicating

Programmability:

7-Day Programmable

User Interface:

Touchscreen

Mount:

Horizontal

Temperature Range (°F):

Heat: 40 F to 90 F; Cool 60 F to 99F

Type:

Total Home Comfort System

Voltage (V):

20 to 30

Honeywell TH9421C1004 VisionPro IAQ Programmable Thermostat

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Honeywell TH9421C1004 VisionPro IAQ Programmable Thermostat

VisionPro IAQ Features

TH9421C1004 VisionPro IAQ Programmable Thermostat