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. VisionPRO IAQ Total Home Comfort System with Temperature, Humidification, Dehumidification and Ventilation Control. IAQ Total Home Comfort System A Y-Pack Containing A Th9421C1004 And A Thm5421C1008


More Information
Manufacturer Honeywell
Product Type Replacement Part



Write Your Own Review
You're reviewing:Honeywell YTH9421C1002 Thermostat
Your Rating