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OJ Thermostat (120V or 240V Programmable w/air and floor limit)

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OJ Thermostat (120V or 240V Programmable w/air and floor limit)

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$168.95
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Quick Overview

Heated flooring programmable thermostat from OJ Electronics. Universal voltage (UCG-4991): Suitable for 120V or 240V applications OJ Thermostat (120V or 240V Programmable w/air & floor limit)


OJ UDG-4999


Heated flooring programmable thermostat from OJ Electronics - side Radiant floor heating programmable thermostat from OJ Electronics - front


  • Universal voltage (UCG-4991): Suitable for 120V or 240V applications

  • 15A Output Relay

  • Max. load 120V = 1,800 Watts; 240V = 3,600 Watts

  • 4-event clock for automatic comfort and setback temperature - to maximize energy savings

  • Built-in Class A 5 mA GFCI with GFCI test light*

  • Dual Centigrade or Fahrenheit scale

  • Manual mode bypass to allow in-floor heating temperature override until manual mode is cancelled

  • Adaptive function ensures temperature is obtained at the required time

  • Internal memory circuit saves program and time during power outages (Time will need to be reset after 2 hours)

  • Minimum temperature functions for comfort

  • Maximum temperature function to protect wood floors

  • Energy consumption monitoring allows to check overall energy consumption for the past 2/30/365 days

  • 3 year manufacturers warranty

  • Dimension: 4.8x3.0x1.0 inches (123x75x25mm)

  • Made in Denmark


Temperature Control



  • Temperature range: +41/+104°F (+5/+40°C).

  • Accuracy: ±0.7°F/0.4°C

  • 7 days, 4 settings/day; Override for days 6 and 7 to allow 2 settings

  • Pre-programmed to suggested settings - or reset to your personal settings

  • F° or C° scale.


Easy Connections



  • Fits single-gang (2" box) box but a double-gang (4" box) is recommended for more room to work with multiple mats.

  • Backside connection box dimensions: 1.682"W x 2.686"H x 1.2"D

  • LINE wires: connect to 2 middle screws marked L1, L2.

  • LOAD (mat) wires connect to 2 screws marked LOAD 1800W/3600W MAX 15A.

  • Sensor wires: loosen bottom screw, lift off cover, insert sensor through oval hole in back, connect to C and D terminals inside the thermostat marked IN/SEN.