Honeywell YTHX9421R5085WW/U Prestige IAQ Kit with Redlink Technology

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Description

Price: $369.49
(as of Jun 11, 2025 21:26:17 UTC – Details)

This is a Prestige 2-wireIAQ kit with redlink technology. It is white in color. This kit contains the THX9421R5021WW/U color touchscreen thermostat, THM5421R1021 equipment interface module, and two duct sensors.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 3.5 x 1 x 4.25 inches; 0.01 ounces
Item model number ‏ : ‎ YTHX9421R5085WW/U
Date First Available ‏ : ‎ March 27, 2013
Manufacturer ‏ : ‎ Honeywell
ASIN ‏ : ‎ B00C293SJC
Residential Or Commercial Use
Seven Day Programmable
Up To 4 Heat/2 Cool Heat Pump Or Up To 3 Heat/2 Cool Convential
This is a Prestige 2-wireIAQ kit with redlink technology.
Up To 3 Heat/2 Cool Convential

Customers say

Customers find the thermostat easy to install, taking about an hour with good instructions, and appreciate its functionality. They like the humidity control features, including the ability to set humidity levels and control both humidifier and HRV systems. Customers praise the thermostat’s temperature control capabilities, with one noting it automatically shifts between heating and cooling modes. They appreciate the control panel options, with one mentioning the ability to manage the system from a computer.