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Honeywell THM5421R1021 Prestige 2-Wire IAQ Equipment Interface Module

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Product details

Management number 230992205 Release Date 2026/06/18 List Price US$51.14 Model Number 230992205
Category

Honeywell Home Prestige 2-Wire IAQ Equipment Interface Module. THM5421R1021, this Module will 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. Three sets of Universal IAQ contacts to control humidification, dehumidification, and ventilation. Four sensor inputs for wired sensors or dry contact devices. Applications include Gas, oil, electric, heat pump, forced warm air, hot water, steam or gravity systems. Used with All THX9421R5021 Prestige® 2-Wire IAQ Thermostats and all versions of Prestige® IAQ Thermostats and the VisionPRO® Thermostats with RedLINK™ technology When combined with TH8321R1001 and C7089R1013 will make no longer available kit YTH9421C1010.

    • Four sensor inputs for wired sensors or dry contact devices
    • Three sets of IAQ contacts to control humidification, dehumidification, and ventilation
    • Used with all versions of Prestige IAQ Thermostats and the New RedLINK VisionPRO Thermostats
    • Four sensor inputs for wired sensors or dry contact devices
    • Three sets of IAQ contacts to control humidification, dehumidification and ventilation
    • Used with all versions of Prestige IAQ Thermostats and the New Relink VisionPRO Thermostats

    • Depth: 5.75 in.
    • Height: 2.25 in.
    • Product Weight: 0.95 lbs.
    • Width: 9.75 in.
    • Battery Included: No
    • Keypad Lock: No
    • Backlit: No
    • Control Type: Electronic
    • Humidity Sensing: Yes
    • Programmable: Yes
    • Amperage: 0.02, 1, 0.5
    • Power Source: Hardwired
    • Stages: 3 Heat / 2 Cool, 4 Heat / 2 Cool
    • Supports 24 Volts: Yes
    • Supports Electric: Yes
    • Supports Gas: No
    • Supports Heat Pump: Yes
    • Supports Millivolt: No
    • Supports Oil: No
    • Collection: THM5421
    • Country Of Origin: Mexico
    • Manufacturer Warranty: 5 Year

  • Crafted from durable materials and designed for a long service life.
  • Engineered to withstand heavy use and harsh conditions.
  • Easy to install to for everyone, whether for DIY enthusiasts or professional installation.
  • Thoroughly tested to meet industry standards and deliver reliable results.
  • Thoroughly tested to meet industry standards and deliver reliable results.
Thermostat type Manual Thermostat
Features Easy to Clean
Power type Battery
Control type Manual
Display No Display
Network hub type No Hub Connection
Brand Honeywell
Color Multicolor
Style Standard
Height 9.3 in
Material Plastic
Model THM5421R1021
Volts 230 V
Count per pack 1

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