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Honeywell - YTHX9421R5101WG - Prestige IAQ Kit, EIM, 2 Duct Sen, White White face, Gray case Kit contains THX9421R5021WG Prestige IAQ 2-wire thermostat, THM5421R1021 Equipment Interface Module, C7089R1013 wireless outdoor sensor and 2 C7735A1000 duct sensors.


    Redesigned Prestige 2-wire IAQ kit with RedLINK technology. For Residential or commercial use.
      • Kit Includes:
          • Prestige IAQ Thermostat (THX9421R5021WW)
          • Equipment Interface Module (THM5421R1021)
          • Wireless Outdoor Sensor (C7089R1013)
        • 2 Duct Sensors
      • RedLINK Enabled
      • 7 Day Program
      • Up to 4H/2C Heat Pump
      • Up to 3H/2C Conventional
      • Controls Humidification, Dehumidification and Ventilation
      • Easy to program and use
      • Customizable high-definition, full-color display which is smaller and sleeker - 60% smaller footprint
      • High-gloss acrylic frame in four color combinations
      • Get email alerts for things like poor system efficiency or water leaks
      • On-screen or email reminders for filter replacement, seasonal maintenance and more
      • Answer a few questions and the system will self-program
      • Prestige also learns how long it takes to heat or cool your home; simply set the time and desired temperature and the system will run only long enough to reach desired level
      • Remote monitoring - Easily control multiple buildings from a PC, tablet or smartphone
      • Self-monitoring diagnostics - Sends alerts for needed maintenance and service issues
      • Total solution - Integrates occupancy sensors, lighting controls and other HVAC/IAQ systems
      • Building code compliant - Meets all commercial building codes, including Title 24
      • Temperature set point limits and keypad lock out lets you manage energy usage for maximum savings
      • 365-day scheduling - Program up to 25 custom events
      • Save energy in infrequently used rooms
      • Adjustable ramp rates
      • Retrofit existing controls - Replace inefficient HVAC controls with RedLINK wireless management system
      • Includes diagnostics and alerts - Quickly identify HVAC system issues
      • User interaction, alert, and temperature performance logs - To aid diagnostics and speed service calls
      • Low installed system cost with no monitoring fees
      • Honeywell's Total Connect Comfort service lets you manage your system remotely with a computer, tablet or smartphone
      • RedLINK wireless accessories such as sensors and remotes help you easily optimize comfort throughout your home
      • RedLINK Internet Gateway with Total Connect Comfort Services Once installed by your heating and cooling professional, go online to register your account and customize your system and alert settings. Free apps available for Apple and Android devices.


Customer Rating: Not Rated Yet
Quick Order Number: 640
Manufacturer: Honeywell
Part Number: YTHX9421R5101WG/U
Weight: 0.00 lbs
Stocked Item*: No
Quantity Available*: 0
Price: $0.00

* If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.


Product Specifications


Color: Front White/Side Grey
Application: Multi Stage (Heat/Cool)
  Heat Pump
Stages: 3 Heat/2 Cool
  4 Heat/2 Cool Heat Pump
Programmability: Programmable
  7 Day
User Interface: Touchscreen
Features: Ventilation Control
  Humidification & Dehumidifcation Control
  RedLINK Enabled 
Power Method: Hardwired
Changeover: Manual
Voltage: 24 Vac
Mount: Horizontal
Options: Keypad Lockout
  Auto Changeover
  Fan Control
  Comes with Sensor
  Large Display
Application: Internet control of RedLINK thermostats
Warranty: 5-Year Warranty


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