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Honeywell YTH9421C1002 Visionpro IAQ Touch Screen 7-Day Programmable Thermostat, Version 2

4.3 out of 5 stars 13 customer reviews

Price: $329.95 & FREE Shipping
In stock.
Usually ships within 3 to 4 days.
Ships from and sold by Parts Appliance Chicago.
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  • Advanced dual-fuel control
  • Three wires to the living space allows for easy equipment upgrade without having to run additional thermostat wire
  • 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
  • Removes air pollutants by exchanging the stale air in a house with fresh, filtered air better than having an open window
4 new from $238.00
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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (13) 4 out of 5 stars (43) 4 out of 5 stars (436) 4 out of 5 stars (119) 3 out of 5 stars (10) 4 out of 5 stars (15)
Price $329.95 $149.99 $79.95 $149.99 $222.90 $264.99
Shipping FREE Shipping $7.12 FREE Shipping FREE Shipping FREE Shipping $8.53
Sold By Parts Appliance Chicago Riverbend Home Amazon.com HVAC CONNECTION Plumbing Planet Riverbend Home
Are Batteries Required No Yes Yes No No No
Color WHITE White White White White
Display Digital Digital Digital Digital Digital Digital
Item Dimensions 4.4 x 5.4 x 7.6 in 2.25 x 6 x 5 in 1.14 x 4.96 x 4.65 in 4 x 6 x 2.5 in 1 x 3.5 x 4.25 in

Product description

Product description

Overview The Honeywell TH9421U touch screen universal programmable thermostat provides electronic control of 24 Vac heating and cooling systems of 750 mV heating systems in addition to humidification dehumidification and ventilation. 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 all 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.

From the Manufacturer

The VisionPRO IAQ touch screen universal programmable thermostat provides electronic control of 24 Vac heating and cooling systems in addition to humidification, dehumidification and ventilation all with just 3 wires to the thermostat.


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