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Product Description

Honeywell TH9421C1004 Vision Pro IAQ Thermostat. Honeywell TH9421C1004 Vision Pro IAQ Thermostat The VisionPRO IAQ touchscreen 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. Three wires to the living space allows for easy equipment upgrade without having to run additional thermostat wire. Automatically raises humidity levels throughout all rooms in the home, moisturizing air to prevent symptoms of dryness and to protect hardwood flooring and woodwork. Thermostat connects with Equipment Interface Module or EnviraZONE panel to control temperature, humidification, dehumidification and ventilation from a single point in the home.

Shipping Weight: 2 pounds

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Technical Details

• Universal programmable thermostat
• Provides electronic control of 24 Vac heating and cooling systems
• Also offers humidification, dehumidification and ventilation control
• Requires just three wires to the thermostat

Find Related Items

• Tools & Home Improvement >> Building Supplies >> Heating & Cooling >> Thermostats & Accessories >> Thermostats >> Programmable