Honeywell YTHX9421R5051 Prestige IAQ Thermostat Kit

  • YTHX9421R5051

List Price $637.99

Our Price: $318.99

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  • Product Overview

The genuine OEM Honeywell YTHX9421R5051 Prestige IAQ Thermostat Kit includes a thermostat, equipment interface module, and two duct sensors.

Honeywell Total Home Comfort System Compatible Model/Part Numbers:
  • YTHX9421R5051, YTHX9421R5051/U
  • THX9421R5013, THM5421R1013
  • C7735A1000
Honeywell YTHX9421R5051/U is also known as:
  • Honeywell YTHX9421R5051 Prestige IAQ Comfort System Kit (Includes Thermostat, EIM & 2 Duct Sensors).
  • Honeywell YTHX9421R5051 Prestige IAQ 2.0 Thermostat Kit.
  • Honeywell YTHX9421R5051 Prestige IAQ 2.0 HD 2-Wire Comfort System Kit, RedLINK Enabled.
  • Honeywell Prestige IAQ Comfort System - YTHX9421R5051.
  • Honeywell YTHX9421R5051 Prestige IAQ 2, Programmable Commercial IAQ Thermostat Kit, 7 Day, Multi-Stage, RedLINK Enabled.