Resideo Prestige IAQ / VisionPRO THM5421R1021 Equipment Interface Module, Vertical, 9-5/16" H x 4-13/16" W x 1-5/8" D Dimensions, Gray, 2-Wire, Screw Terminals, Hardwired, 18-30 VAC

Resideo Prestige IAQ / VisionPRO THM5421R1021 Equipment Interface Module, Vertical, 9-5/16" H x 4-13/16" W x 1-5/8" D Dimensions, Gray, 2-Wire, Screw Terminals, Hardwired, 18-30 VAC

Manufacturer: Resideo Technologies Inc
Brand: resideo
Part #: 390129
MPN: THM5421R1021
Customer Part #:
Min. Order Qty: 1
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Amperage Rating      :      1.0 A (Cool Running); 1.0 A (Heat Running); 0.5 A (Fan Running)
Color      :      Gray
Configuration      :      2-Wire
Dimensions      :      9-5/16" H x 4-13/16" W x 1-5/8" D
End Connection      :      Screw Terminals
Frequency Rating      :      50 Hz, 60 Hz
Humidity Rating      :      5-95% (Non-Condensing)
Model      :      THM5421R1021
Mounting Type      :      Vertical
Power Method      :      Hardwired
Series      :      Prestige IAQ / VisionPRO
Stages      :      4 H / 2 C (Heat Pump), 3 H / 2 C (Conventional)
Temperature Rating      :      -40-165 °F

This Equipment Interface Module (EIM) controls multi-stage HVAC systems, supporting up to 4 stages of heat and 2 stages of cool for heat pumps, or up to 3 stages of heat and 2 stages of cool for conventional systems. Compatible with RedLINK®-enabled thermostats, it features three sets of Universal IAQ contacts for managing humidification, dehumidification, and ventilation, along with four sensor inputs suitable for wired sensors or dry contact devices.

Resideo Equipment Interface Module, Model: Prestige IAQ / VisionPRO, Vertical, 9-5/16" H x 4-13/16" W x 1-5/8" D Dimensions, Gray, 2-Wire, Screw Terminals, Hardwired, 18-30 VAC, 1.0 A (Cool Running); 1.0 A (Heat Running); 0.5 A (Fan Running) Amperage Rating, 50 Hz, 60 Hz, -40-165 °F, 5-95% (Non-Condensing), 4 H / 2 C (Heat Pump), 3 H / 2 C (Conventional)

  • Controls multi-stage systems: up to 4H/2C heat pump or 3H/2C conventional.
  • Integrates IAQ control with three universal contacts for humidifiers, dehumidifiers, or ventilators.
  • Accepts up to four wired sensor or dry contact inputs for enhanced monitoring.
  • Enables wireless communication via RedLINK® technology.
  • Compatible With: Resideo Prestige® IAQ and VisionPRO® thermostats featuring RedLINK® technology.
  • Hardwired connection using screw terminals for reliable power (18-30 VAC).
  • Installation and Operation Manual https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/installation-guide-for-the-thm5421r-equipment-interface-module-english-french-spanish-4254-4376.pdf
  • Owner Manual https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/quick-start-guide-4254-3504.pdf
  • Data Sheet https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/redlink-compatibility-chart-4254-3497.pdf
  • Brochure https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/redlink-wireless-comfort-systems-brochure-4254-3495.pdf
  • Accessories Guide https://s3.amazonaws.com/open-secret-production-public/data-studio/marcone/documents/wifi-and-redlink-connected-thermostat-and-accessory-guide-4254-3496.pdf
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