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🔥 Stay warm, stay smart — the thermostat that thinks ahead! 🌡️
The OJ Microline UDG Programmable Thermostat is a versatile, dual-voltage (120/240V) heating controller designed for electric radiant floors. Featuring dual sensing for air and floor temperature, a built-in Class A GFCI for enhanced safety, and a customizable 7-day program, it ensures efficient, comfortable heating across various floor types. With child lock, energy consumption readout, and a 3-year warranty supported by USA customer service, it’s the smart choice for modern heated floor management.

| ASIN | B084GXTZDS |
| Additional Features | Programmable |
| Best Sellers Rank | #169,776 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #238 in Home Programmable Thermostats |
| Brand | OJ Microline |
| Brand Name | OJ Microline |
| Color | White |
| Connectivity Protocol | Wired |
| Connectivity Technology | Wired |
| Control Method | Remote |
| Control Type | Button Control |
| Controller Type | Push Button |
| Customer Reviews | 4.3 out of 5 stars 42 Reviews |
| Display Type | Manual |
| Included Components | Floor Sensor |
| Item Weight | 12 ounces |
| Manufacturer | OJ Microline |
| Material Type | Other |
| Model Name | UDG-4999 |
| Model Number | 746160537634 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Power Source | Electric |
| Product Style | Modern |
| Shape | Rectangular |
| Special Feature | Programmable |
| Specification Met | energy |
| Temperature Control Type | Digital |
| Unit Count | 1 Count |
| Voltage | 120 volts, 240 volts |
| Wattage | 3600 watts |
C**.
Replacement for quiet warmth touch screen.
I had an issue with my quietwarmth wifi control panel and it kept tripping the gfci and giving a ground fault error, even when all the mats were disconnected. I replaced it with this model as i really disliked the touch screen and poor functionality of the original quietwarmth one. So far, i have bo had any ground fault errors and the buttons on this are infinitely better than the touch screen. I haven't programmed it yet for winter but on first test it did start the floor heating without issue. Great replacement option and cheaper than the other brands. Hopefully will last and not have any more issues.
D**E
Great Seller
I ordered this replacement unit to fix an existing installed UDG head unit, and it worked just fine. The 5 stars is for the seller really taking charge of a USPS shipping screw up and making it right. Thanks for the great job Heatizon.
D**G
Floor heater working again!
Our existing heated floor controller stopped working. The floor heat system came with this branded controller as part of the package. That floor heat company is no longer in business. I contacted the controller manufacturer (OJ Microline) who was able to help me diagnose the problem. We ordered this unit as a direct replacement for the original unit. Once connected the voltage to the floor heating element tested correct and the system was working again. Original unit installed late 2016 so we got 8+ years out of it.
A**N
Nice heated floor thermostat
Installed this to my bathroom floor heat mat. Works well. Set it and forget it or manually change the temp as desired
@**E
Arrived defective.
Arrived. Installed, defective,
F**E
No instructions in box on how to program this thermostat
Had to spend a lot of time searching the web to program. While some items were intuitive it was a royal pain. I hope it works well. This was a replacement for another brand.
H**D
Just what was needed
Replaced exact model. Had a friend install it. Is working perfectly.
D**L
Nice Thermostat
Works well!
D**N
IT Worked with existing Nu Heat floor system
Perfect match for an existing system replacement Tstat which are not always available.
J**N
Good product
Exactly as advertised! Good product
L**E
Rapport qualité/prix excellent!
Excellent, fonctionne très bien. Satisfaite de mon achat
Trustpilot
1 month ago
3 weeks ago