---
product_id: 179704884
title: "Touchscreen Programmable Radiant Floor Heating Thermostat 120/240V, Dual Sensing with Class A GFCI and Floor Temperature Sensor (UDG4-4999)"
brand: "oj microline"
price: "R$2913"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/179704884-touchscreen-programmable-radiant-floor-heating-thermostat-120-240v-dual-sensing
store_origin: BR
region: Brazil
---

# Dual voltage 120/240V Energy monitoring & power logging Dual sensing air & floor Touchscreen Programmable Radiant Floor Heating Thermostat 120/240V, Dual Sensing with Class A GFCI and Floor Temperature Sensor (UDG4-4999)

**Brand:** oj microline
**Price:** R$2913
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay warm, save smart — the future of floor heating is at your fingertips!

## Quick Answers

- **What is this?** Touchscreen Programmable Radiant Floor Heating Thermostat 120/240V, Dual Sensing with Class A GFCI and Floor Temperature Sensor (UDG4-4999) by oj microline
- **How much does it cost?** R$2913 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/179704884-touchscreen-programmable-radiant-floor-heating-thermostat-120-240v-dual-sensing)

## 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

- • **Upgrade & Save:** Swap old thermostats to boost efficiency, cut costs, and elevate your home’s comfort game.
- • **Safety & Convenience:** Class A GFCI + child lock + vacation mode for peace of mind and effortless control.
- • **Smart Energy Insights:** Power logging with mobile/PC access helps you slash heating bills smartly.
- • **Sleek Modern Interface:** 3.5” full-color responsive touchscreen blends style with intuitive usability.
- • **Precision Comfort Control:** Dual sensing tech ensures perfect floor & air temps for ultimate coziness.

## Overview

The OJ Microline Touchscreen Thermostat offers dual voltage compatibility (120/240V) and dual sensing (air and floor) for precise radiant floor heating control. Featuring a 3.5” full-color touchscreen, energy monitoring with power logging accessible via PC or mobile, and advanced safety functions including Class A GFCI and child lock, it’s designed to upgrade your heating system’s efficiency, comfort, and convenience.

## Description

OJ Microline Touchscreen Programmable Radiant Floor Heating Thermostat 120/240V, Dual Sensing with Class A GFCI and Floor Temperature Sensor (UDG4-4999)

## Features

- Supports dual voltage (120V/240V) and dual sensing (air and floor) for maximum versatility.
- Energy Monitoring with Power Logging – provides detailed reports accessible on PC or mobile device, giving full control over power usage and helping manage heating budgets effectively.
- Advanced Features – includes child lock, vacation mode, open-window mode, temporary overrides, regulator mode, and manual override functions for customized comfort and safety.
- Convenience & Upgrades – replace outdated controllers to enhance comfort, reduce operating costs, and improve overall efficiency of your heated floor system.
- 3.5” Full Color Responsive Touchscreen – sleek, modern design that complements any décor while providing clear visuals and easy access to all settings.

## Product Details

- **Brand:** OJ Microline
- **Model Name:** UDG4-4999
- **Product Dimensions:** 0.8"D x 3.2"W x 5.1"H
- **Controller Type:** Floor Heating Thermostat 120V and 240V
- **Special Feature:** Schluter Heat Compatible

## Images

![Touchscreen Programmable Radiant Floor Heating Thermostat 120/240V, Dual Sensing with Class A GFCI and Floor Temperature Sensor (UDG4-4999) - Image 1](https://m.media-amazon.com/images/I/517S-P2wRjL.jpg)

## Questions & Answers

**Q: is this a suitable replacement for a Nuheat Solo PB?**
A: Hello, yes the OJ Microline UDG4 will be a good replacement for the Nuheat Solo, it has all the same specifications and feature, plus a few extra's.

**Q: Will this work for a hydronic heated floor system? A contractor left off a thermostat to my boiler heated floor in the kitchen. The other 5 rooms has.**
A: This is for electric heating only.
Eagle Home Products

**Q: Will this thermostat work with a Heatweave system?**
A: Hello, yes this thermostat will work with most floor heating systems, including Heatwaves.

**Q: Have an easyheat/warm tiles radiant floor system with a  fts-1, 120v thermostat that doesn't work.system was installed in 2004. is this compatible?**
A: Hello, I see the 'Warm tiles' thermostat range use the same floor sensor (NTC 10k ohm @ 77deg) as the OJ Microline, so yes it will be compatible.

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**Shop now:** [https://www.desertcart.com.br/products/179704884-touchscreen-programmable-radiant-floor-heating-thermostat-120-240v-dual-sensing](https://www.desertcart.com.br/products/179704884-touchscreen-programmable-radiant-floor-heating-thermostat-120-240v-dual-sensing)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-28*