Honeywell Wi-Fi VisionPRO 8000 Thermostat TH8321WF1001

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Your customers want comfort, convenience and connectivity. With the Wi-Fi VisionPRO, you can offer them all three. Using an existing Wi-Fi network plus Honeywell’s free Total Connect Comfort services, the Wi-Fi VisionPRO allows homeowners to remotely control their comfort settings and manage their energy costs – with ease.


  • Intuitive programming for easier setup
  • Remote comfort control via computer, tablet or smartphone
  • Universal application across more system types
  • Equipment check/change reminders
  • Programmable for annual energy savings
  • TH8321WF1001 is ENERGY STAR® Certified


Application Up to 2 Heat/2 Cool Conventional Systems; Up to 3 Heat/2 Cool Heat Pumps
Dimensions (in.) 4-5/8 in. High, 4-15/16 in. Wide, 1-1/8 in. Deep+
Dimensions (mm) 118 mm High, 126 mm Wide, 29 mm Deep
Electrical Ratings 18 to 30 Vac
Frequency 50 Hz; 60 Hz
Stages Up to 3 Heat / 2 Cool Heat Pump or Up to 2 Heat / 2 Cool Conventional
Electrical Connections Screw terminals
Operating Humidity Range (% RH) 5% to 90% RH, non-condensing
Supply Voltage 18 to 30 Vac
Switch Positions (System) HEAT-OFF-COOL-AUTO-EM.HEAT
Operating Temperature Range (F) 32 F to 120 F
Operating Temperature Range (C) 0 C to 49 C
Power Method Hardwired
Sensor Element Thermistor
Color Arctic White
Switching Action SPST
Switch Type Relay
Programmability 7 Day Program or Non-Programmable
Terminal Designations R, RC, C, W-O/B, W2-AUX/E, Y, Y2, G, A-L/A, K, U1 U1, S1 S1
Display Touch Screen
Display Size 10 sq in.
Changeover Auto or Manual
Setting Temperature Range (F )Heat: 40 F to 90 F; Cool 50 F to 99 F
Setting Temperature Range (C) Heat: 4.5 C to 32.0 C; Cool: 10 C to 37.0 C

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