OJ Microline UDG-4999 Programmable Thermostat

OJ Microline UDG-4999 programmable thermostat — multi-voltage (120V–240V) underfloor heating control with Class A GFCI protection, energy monitoring, and a large backlit display for easy, safe operation.

$129.00

Availability: Sold in Store - Ships from Store or Factory (29 available in store). (More Info)

Shipping: Free to Continental US (More Info)

SKU
MH UDG-4999

OJ Microline UDG-4999 Programmable Thermostat — Smart Electric Floor Heating Control

The OJ Microline UDG-4999 Programmable Thermostat is a premium all-in-one solution for electric underfloor heating systems, providing optimal comfort, precise temperature control, and improved energy efficiency. Designed for both residential and commercial applications, this thermostat features multi-voltage compatibility (120V / 208V / 240V) and a built-in Class A GFCI for safe installation in wet areas.

With its large backlit display, intuitive interface, and pre-programmed setup, the UDG-4999 makes controlling your floor heating system simple and efficient. It’s engineered for flexibility, offering control of floor, room, or combined temperature modes and is compatible with USG power modules for extended heating loads.

Key Features and Benefits

  • Model UDG-4999 — Programmable thermostat for electric floor heating
  • Multi-Voltage Compatibility — Works with 120V, 208V, and 240V systems
  • Built-in Class A GFCI — Provides enhanced safety for wet room installations
  • Energy Usage Monitoring — Track and optimize power consumption
  • Large Backlit Display — Easy to read and operate in any lighting condition
  • Accurate Temperature Control — Maintains precision within ±0.7°F (±0.4°C)
  • Pre-Programmed Setup — Simplifies installation and configuration
  • Supports Multiple Control Modes — Floor, room, or combined temperature settings
  • Expandable System — Pair with USG power modules for larger heating zones
  • Certified Safety — UL and cUL approved

Specifications

Model UDG-4999 Voltage Supply 120–240 VAC, 50/60 Hz
Load Capacity 15A maximum (resistive load) Power Output 1,800 W @ 120 VAC / 3,120 W @ 208 VAC / 3,600 W @ 240 VAC
GFCI Protection Class A (5 mA trip level) Temperature Range +41°F to +104°F (+5°C to +40°C)
Floor Limit Range +41°F to +104°F (+5°C to +40°C) Ambient Temperature Range +32°F to +104°F (0°C to +40°C)
Clock Function 4-event programmable schedule Control Accuracy (Differential) ±0.7°F (±0.4°C)
Regulation Principle PWM / PI control Sensor Type NTC (10 KĪ©) floor sensor, 15 ft (4.5 m)
Display Backlit LCD Dimensions (L x W x H) 2.95" x 0.8" x 4.72"

Downloads

UDG-4999 Programmable Thermostat - Product Data Sheet
UDG-4999 Programmable Thermostat - User Manual
UDG-4999 Programmable Thermostat - Quick Guide
UDG-4999 Programmable Thermostat - Instructions UDG / UCG / UTN / USG
OJ Microline Electric Floor Heating Product Catalogue

More Information
SKUMH UDG-4999
UPC881308051211
Non-ReturnableNo
ManufacturerOJ Electronics
Manufacturer Part NumberUDG-4999
Voltage120/240
Weight (lbs.)0.75
Dimensions (L x W x H)2.95" x 0.8" x 4.72"
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