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Honeywell THM5421R1021 Prestige - IAQ Equipment Interface Module - RedLINK

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Product Specifications
General Information
4 Heat/2 Cool
Mount Type
4 Inputs
Internet Connectivity
Gateway Required
Minimum Operating Temperature (Fahrenheit)
-40 Fahrenheit
Maximum Operating Temperature (Fahrenheit)
165 Fahrenheit
Electrical Data
Voltage (Volts)
18-30 Volts
Frequency (Hertz)
50 Hertz
Product Height (Inches)
9.3125 Inches
Product Width (Inches)
4.8125 Inches
Product Depth (Inches)
1.625 Inches
Model: THM5421R1021
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Honeywell THM5421R1021 Equipment Interface Module is used to control up to 4 stages of heat and 2 stages of cool in a heat pump system and up to 3 stages of heat and 2 stages of cool in a conventional system.

Product Features
  • RedLINK Wireless Connection
  • Cooling & Heating Applications
  • Auto/Manual Changeover
  • Ability to control humidification, dehumidification & ventilation
Product Used with
  • THX9421R5021 Prestige 2-Wire IAQ Thermostat
  • All versions of Prestige IAQ Thermostats
  • VisionPRO Thermostats with RedLINK Technology

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