Overview

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

Specifications

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Manufacturer Honeywell
Product Type Replacement Part

Compatibility

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