---
product_id: 168347116
title: "OJ Microline UDG4 Touchscreen Programmable Heated Floor Thermostat w/Class A GFCI - 120/240v Radiant Heat Thermostat - Dual Sensing - Includes Floor Sensor - 3-Year Warranty & USA Product Support"
brand: "oj microline"
price: "฿18644"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/168347116-oj-microline-udg4-touchscreen-programmable-heated-floor-thermostat-w-class
store_origin: TH
region: Thailand
---

# 3.5" responsive color touchscreen Dual voltage 120/240V power Class A GFCI safety protection OJ Microline UDG4 Touchscreen Programmable Heated Floor Thermostat w/Class A GFCI - 120/240v Radiant Heat Thermostat - Dual Sensing - Includes Floor Sensor - 3-Year Warranty & USA Product Support

**Brand:** oj microline
**Price:** ฿18644
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your floor heating game with smart, sleek, and safe control!

## Quick Answers

- **What is this?** OJ Microline UDG4 Touchscreen Programmable Heated Floor Thermostat w/Class A GFCI - 120/240v Radiant Heat Thermostat - Dual Sensing - Includes Floor Sensor - 3-Year Warranty & USA Product Support by oj microline
- **How much does it cost?** ฿18644 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/168347116-oj-microline-udg4-touchscreen-programmable-heated-floor-thermostat-w-class)

## Best For

- oj microline enthusiasts

## Why This Product

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

## Key Features

- • **Safety First Design:** Class A GFCI protection and child lock ensure peace of mind in every room, even wet areas.
- • **Smart Comfort Control:** Intuitive 7-day programmable schedule with adaptive self-learning technology for perfect warmth and energy savings.
- • **Dual Sensing Precision:** Monitors both air and floor temperatures for optimized heating tailored to your flooring type—tile, wood, carpet, and more.
- • **Sleek Modern Interface:** Vibrant 3.5" touchscreen blends seamlessly with your décor while offering effortless control at your fingertips.
- • **Energy Insights On Demand:** Power logging feature delivers detailed energy usage reports straight to your PC or mobile device—take control of your bills.

## Overview

The UDG4 Touchscreen Programmable Floor Thermostat offers dual voltage compatibility (120/240V) and dual sensing for air and floor temperatures, ensuring precise and efficient radiant floor heating. Featuring a vibrant 3.5" touchscreen, Class A GFCI safety, and advanced programmable adaptive technology, it supports multiple floor types and includes power logging for energy monitoring. Backed by a 3-year warranty and USA-based support, it’s designed for modern homes seeking comfort, style, and energy efficiency.

## Description

OJ Microline UDG4 Touchscreen Programmable Heated Floor Thermostat w/Class A GFCI - 120/240v Radiant Heat Thermostat - Dual Sensing - Includes Floor Sensor - 3-Year Warranty & USA Product Support

## Features

- INTUITIVE TOUCHSCREEN - Easy to use with a touchscreen interface, this programmable radiant floor heat thermostat with Class A GFCI (Ground Fault Circuit Interrupter), for Electric Radiant Floor Heating Systems. Dual voltage (120V/240V) Dual Sensing (Air/Floor). Suitable for Tile, Marble, Carpet, Concrete Laminate and Wood floors.
- PROGRAMMABLE - OJ's Intuitive 7-day program helps provide maximum comfort, while reducing operating costs. Programming is made easy with the OJ's new Install Wizard and Interactive Touchscreen. The new Adaptive function offers a self-learning, self-adjusting operating system - maintaining set temperatures while adjusting run time to help reduce energy consumption.
- 3.5" RESPONSIVE TOUCH COLOR SCREEN - with a sleek and modern design blends seamlessly into your surrounding decor. Use one of OJ’s premium radiant floor thermostat to improve comfort levels, reduce running costs and compliment your décor.
- ADDITIONAL FEATURES INCLUDE - Child Lock, Vacation Mode, OPEN Window Mode, temporary overrides, power logging and more. All of these are essentials for an electric floor heating system to be efficient and safe. Power logging provides detailed energy usage reports direct to your PC or mobile device - putting the control where it belongs. OJ Microline Floor Heating Thermostats are C-UL-us Listed, Certified for Wet Room installations and come with a 3-Year limited factory Warranty.
- TECHNICAL INFO - Load: 15Amps (1800w@120v), (3600w@240v), with Ability to control secondary relays. Floor limit range: +41 to +104°F (+5 to +40°C) Amb. Temp. range +32 to +104°F (0 to +40°C). Includes floor heat sensor and floor limiting features for laminate and wood floors.

## Product Details

- **Brand:** OJ Microline
- **Model Name:** UDG4-4999
- **Controller Type:** Floor Heating Thermostat 120V and 240V
- **Special Feature:** 7-day, 4-event Program
- **Color:** White

## Images

![OJ Microline UDG4 Touchscreen Programmable Heated Floor Thermostat w/Class A GFCI - 120/240v Radiant Heat Thermostat - Dual Sensing - Includes Floor Sensor - 3-Year Warranty & USA Product Support - Image 1](https://m.media-amazon.com/images/I/517S-P2wRjL.jpg)

## Questions & Answers

**Q: Does this unit come with the standard 10 foot floor sensor?**
A: Hello, the UDG4-4999 Touch screen programmable thermostat comes standard with a 10kohm, 15ft floor sensor.

**Q: What’s the distributor id? in the set up after you enter units, the next screen requests a distributor id.**
A: Hello, I suspect you may have the OJ Microline UWG4-4999 model, in which case the 'ID' would be the code for the Wifi. The listing you have posed the question to is the OJ Microline UDG4-4999. Please check your box for model number and confirm which model you have.

**Q: Is this device rated for outdoor applications?**
A: Hello, the OJ Microline UDG4-4999 is rated for indoor floor heating, max load is 15amps, 18000watts @ 120v, and 3600watts @ 240v.

**Q: Can I use and existing floor sensor with this? I would need 2-line, 2-load and 2 for existing floor sensor?**
A: Hello, the thermostat has two terminals for line, and two terminals for load.
There are also two terminals for a floor sensor. With regards to floor sensor compatibility, it depends on the types of floor sensor. If your floor sensor is a NTC 10kohm sensor (as are most), then yes it will be compatible.

## Frequently Bought Together

- OJ Microline Programmable Thermostat, Dual-Voltage(120/240v), Dual Sensing(Air&Floor) with Intuitive 3.5" Touch Screen Interface. For Radiant Under Floor Heating. UDG4-4999, with Built-in Class A GFCI
- Schluter-Systems DITRA-HEAT (120V) Floor Heat Cable, warms 32 sq ft [DHEHK12032] adaptable to any layout, adds comfort to any room, quickly and easily installs into membrane before tile/stone
- Schluter Ditra-Heat Electric Floor Heating Membrane with Uncoupling, Waterproofing, Vapor Management and Load Support - Ideal for Tiles and Stone - 1/4-Inch Thickness, 134.5 Square Feet Roll - DH512M

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-22*