Honeywell Home

VisionPro® 8000 THM5421R1021 Equipment Interface Module 3H/2C-Stage, 2H/2C-Stage, 4H/2C-Stage and 3H/2C-Stage Programmable Thermostat

Part #HTH8321R1001  |  Manufacturer Part #TH8321R1001


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Product Details

  • Precise temperature control for reliable and consistent temperature
  • Maximum temperature: 120°F
  • Plain language setup, no manual needed
  • RedLink™ wireless communication
  • Smart schedule programs in seconds for any lifestyle
  • Offers humidification and dehumidification setting range
  • Features 1 universal relay
  • Up to 3H/2C heat pump or up to 2H/2C conventional
  • Five-year warranty


Application: Commercial, Residential

Brand Model Compatibility: THM5421R1021 Equipment Interface Module

Collection: VisionPro® 8000

Color Finish: Arctic White

Color Finish Category: Whites

Configuration: Conventional

Depth: 1-1/8 in

Height: 4-5/8 in

Maximum Temperature: 120

Power Source: Electric

Programmability: Programmable

Smart Home Compatibility: Redlink

Smart Home Enabled: Yes

Stages: 4H/2C

Touch Screen: Yes

Type: HTH8321R1001

Volts: 18/30V

Width: 4-15/16 in

Wireless Communication: Wi-Fi