---
product_id: 41933282
title: "THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White"
brand: "honeywell"
price: "21583900₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/41933282-thx9421r5021ww-2-wire-iaq-high-definition-touch-screen-thermostat-red
store_origin: VN
region: Vietnam
---

# High Def Touch Screen Red LINK Tech Precise Temp Control THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White

**Brand:** honeywell
**Price:** 21583900₫
**Availability:** ✅ In Stock

## Summary

> 🌟 Elevate Your Comfort Game!

## Quick Answers

- **What is this?** THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White by honeywell
- **How much does it cost?** 21583900₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/41933282-thx9421r5021ww-2-wire-iaq-high-definition-touch-screen-thermostat-red)

## Best For

- honeywell enthusiasts

## Why This Product

- Trusted honeywell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Scheduling:** Program in seconds to fit your lifestyle.
- • **Effortless Control:** Manage your environment with just 2 wires!
- • **Seamless Connectivity:** Experience the power of Red LINK wireless communication.
- • **Versatile Compatibility:** Supports multiple heating and cooling stages for ultimate comfort.
- • **Precision at Your Fingertips:** Enjoy reliable temperature control within +/- 1°F.

## Overview

The Honeywell THX9421R5021WW is a state-of-the-art 2 Wire IAQ High Definition Touch Screen Thermostat that simplifies climate control with advanced features like Smart Schedule programming, Red LINK wireless technology, and precise temperature management, making it the perfect choice for modern homes.

## Description

THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White

## Features

- Control heating, cooling and IAQ equipment with only 2 wires at the thermostat
- Smart Schedule - programs in seconds for any lifestyle
- Red LINK wireless communication
- Precise temperature control (+/- 1 Degrees Fahrenheit ) for reliable and consistent temperature
- 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.

## Product Details

- **Brand:** Honeywell
- **Controller Type:** Hand Control
- **Special Feature:** Auto Changeover, Programmable
- **Color:** White
- **Specific Uses For Product:** Heat Pump

## Images

![THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White - Image 1](https://m.media-amazon.com/images/I/5178q+WirJS.jpg)

## Frequently Bought Together

- Honeywell THX9421R5021WW 2 Wire IAQ High Definition Touch Screen Thermostat with Red LINK Technology, White
- Honeywell Home THM5421R1021 IAQ Equipment Interface Module, Multicolor

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**Shop now:** [https://www.desertcart.vn/products/41933282-thx9421r5021ww-2-wire-iaq-high-definition-touch-screen-thermostat-red](https://www.desertcart.vn/products/41933282-thx9421r5021ww-2-wire-iaq-high-definition-touch-screen-thermostat-red)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-20*