Honeywell THM5421R1021 Equipment Interface Module RedLink VisionPRO Thermostats

Product Description

The Honeywell THM5421R1021 Equipment Interface Module (EIM) is designed for Prestige IAQ and new RedLINK VisionPRO Thermostats. This module controls multiple stages of heating and cooling in both heat pump and conventional systems.

• Controls up to 4-stages of heat and 2-stages of cool in a heat pump system.
• Offers three sets of Universal IAQ contacts for humidification, dehumidification, and ventilation.
• Features four sensor inputs for wired sensors or dry contact devices.

Product Highlights

The Honeywell THM5421R1021 Equipment Interface Module is essential for advanced thermostat systems, providing extensive heating and cooling control along with humidification and ventilation options.

Product Information

Standard Information

• Brand: Honeywell Home
• MPN: THM5421R1021
• Compatible Products: Prestige IAQ Thermostats, RedLINK VisionPRO Thermostats

Technical Specifications

• Stages: 4 Heat/2 Cool Heat Pump, 3 Heat/2 Cool
• Voltage: 24v
• Features: RedLINK Enabled, Humidification & Dehumidification Control
• Weight: 0.92 lb
• Shipping Depth: 9.98 inches
• Shipping Width: 5.88 inches
• Shipping Height: 2.25 inches
• Changeover: Manual, Auto
• Application: Heating, Cooling