What models are covered in the VisionPRO TH8000 Series installation guide?
The installation guide covers three models: the TH8110U for 1 Heat/1 Cool systems, the TH8320U for up to 3 Heat/2 Cool systems, and the TH8321U for up to 3 Heat/2 Cool systems with dehumidification. All three models are touch-screen programmable thermostats. (Page 1)
From the official Honeywell Th8320U1008 Thermostat manual, page 1
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