Can the Th8110U1003 control humidification or dehumidification systems?
No, the Th8110U1003 does not include selectable IAQ control for humidification, dehumidification, or ventilation systems. This feature is available only on select higher-end VisionPRO 8000 models.
From the official Honeywell Th8110U1003 Visionpro Thermostat manual, page 2
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