Honeywell TH8321U1006 VisionPRO Universal Programmable Thermostat With Precise Temperature Control
Offers Program Memory in the Event of a Power Failure and Armchair Programming for Easy Adjustments


Additional Photos
(click to enlarge)

Write a review
Honeywell TH8321 VisionPRO Universal Programmable Thermostat
Availability: Discontinued
List Price: $ 259.95
Price Break: $93.00
Our Price: $166.95

Special Discount:


We want your business! To do this we offer full 30 day NO-WORRY RETURNS so you can order with confidence! We also ship most orders the same day since we actually warehouse our products unlike our competitors. And if you have any questions we have real people to talk to!


The Honeywell TH8321U1006 VisionPRO touchscreen universal programmable thermostat features scheduling via touchscreen capabilities. It provides electronic control of 24 Vac heating and cooling systems or 750 mV heating systems.

7 Day Programming
The Honeywell TH8321U1006 digital thermostat can be programmed with a different heating and cooling schedules for each day.

Backlit Display
The TH8321U1006 programmable thermostat includes backlighting on the display that makes the current temperature, set temperature and time easy to read.

Fits Unique Schedules
This thermostat features the ability to select multiple days for easy adaptation to your schedule.

Keypad Lockout
The keypad can be partially or fully locked out.


  • Model: TH8321
  • Product Type: VisionPRO Universal Programmable Thermostat
  • Product Dimensions: 1.25" x 6.00" x 4.50"
  • Product Weight: 1.00 lbs.
  • Product Color: Premier White
  • Application: Heat/cool or heat pump with auxillary heat
  • Frequency: 60 Hz
  • Heating/Cooling System Type: Electric Heat & Cooling, Heat Pump
  • Voltage Type: Low Voltage
  • Programmable: Yes
  • Control Type: Touchscreen
  • Digital Display: Yes
  • Display Size: 10 inches
  • Backlit Digital Display: Yes
  • Temperature Displayed: Current & Setpoint
  • Electrical Ratings: 20 to 30 Vac or 750 mV
  • Cooling Only: No
  • Heating Only: No
  • Multi -Stage: Yes
  • Single Stage: No
  • Program Type: 7 Day
  • Terminal Designations: R, RC, W (O/B), W2 (AUX), Y, Y2, L, E, G, C, S1, S2
  • Heat Current: 1.0 amps
  • Cool Current: 1.0 amps
  • Fan Current: 0.6 amps
  • Operating Humidity Range: 90 % RH
  • Mounting: Horizontal
  • Automatic Service Reminders: Yes
  • Power Method: Battery, Hardwired
  • Fan Switch Positions: Auto-On-Circ
  • System Switch Positions: Heat-Off-Cool-Auto-Em. Heat
  • Cooling Temperature Range (F): 99 ° F
  • Heating Temperature Range (F): 90
  • Cooling Temperature Range (C): 37 ° C
  • Heating Temperature Range (C): 32 ° C
  • Menu Driven Program Guides: Yes
  • Accuracy: +/- 1°F
  • Sensor Element: Thermistor
  • Changeover: Automatic, Manual
  • Energy Star Rated: Yes
  • Wireless: No


  • Automatically updates during daylight savings time
  • Indicators remind you when to service or replace the air filter, humidifier pad, ultraviolet lamp or thermostat batteries
  • Keeps time during power failures
  • The schedule can be modified indefinitely or for a specific amount of time
  • The user is prevented from setting the temperature too high or low
  • Thermostat is easily customized for unique schedules