TH8321WF1001 Honeywell WiFi VisionPRO 8000 Thermostat

The Honeywell TH8321WF1001/U is a VisionPRO 8000 WiFi programmable thermostat designed for residential and light commercial HVAC systems.

It provides:

• Full 7-day programmable scheduling

• Remote control via WiFi (Honeywell Total Connect Comfort app)

• Advanced multi-stage heating and cooling control

• Support for heat pumps, conventional systems, and dual fuel setups

This thermostat is widely used in forced-air furnaces, heat pumps, and HVAC air handler systems where precise temperature and humidity control is needed.

Specifications

HVAC Compatibility

• Up to 3 Heat / 2 Cool heat pump systems

• Up to 2 Heat / 2 Cool conventional systems

• Compatible with:

  • Gas forced-air furnaces

  • Electric furnaces

  • Hot water / hydronic systems

  • Heat pumps with auxiliary heat