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Honeywell YTHX9421R5051 - Prestige® IAQ 2.0 HD 2-Wire Comfort System Kit, RedLINK™ Enabled

Item: YTHX9421R5051
MFR: YTHX9421R5051/U
This product is no longer available for purchase.
Comparable Product:


Prestige IAQ 2.0 HD 2-wire comfort system kit with RedLINK enabled accessories.
YTHX9421R5101WW-The Prestige® IAQ thermostat is a 2 wire high definition color touch screen thermostat, 7 day programmable and selectable for residential or light commercial use. Controls 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. Works with the Equipment Interface Module and RedLINK® accessories including the RedLINK® Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor and Wireless Indoor Sensor.

REM5000R1001- Use the Portable Comfort Control anywhere in the home to experience a new level of comfort and convenience. Works in both zoned and non-zoned applications


NameHoneywell YTHX9421R5051 - Prestige® IAQ 2.0 HD 2-Wire Comfort System Kit, RedLINK™ Enabled
Gemaire Item NumberYTHX9421R5051
Manufacturer Product NumberYTHX9421R5051/U
SKU - PIM Number1371469492004
ERP Number306123
Unit of MeasureEA
Weight3.0 Pounds (Lb)
Length10.3 Inches (In)
Width6.0 Inches (In)
Height6.3 Inches (In)
Country of OriginMEX
Voltage18-30 VAC
Electrical ConnectionScrew terminals
Electrical Rating18 to 30 VAC
Power MethodHardwired
Batteries IncludedNo
Stages Cool2
Stages Heat3
ApplicationUp to 4 Heat/2 Cool Heat Pumps,Up to 3 Heat/2 Cool Conventional Systems
Fan SwitchingYes
Operating Temperature Range32°F to 120°F (0°C to 48.8°C)
System SwitchingYes
Temperature RangeHeat: 40°F to 90°F (4.5°C to 32°C); Cool: 50°F to 99°F (10°C to 37°C)
Terminal DesignationsR, C then RedLINK to Equipment Interface Module
Warranty OfferedYes
IncludesTHX9421R5013 Thermostat, THM5421R1013 Equipment Interface Module and two C7735A1000 Duct Sensors
Comments/NotesTri-Lingual Display (selectable for English, French or Spanish)
Operating Humidity5 to 90% RH, non-condensing
For Use WithRedLINK™ enabled thermostats and accessories
GEM - Case Quantity

Parts List

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