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Warmup Programmable Thermostat - 3iE-02NL



Warmup Programmable Thermostat - 3iE-02NL


Designed exclusively by Warmup, the 3iE™ is the world’s first fully interactive, touch technology, energy monitoring thermostat.

The Warmup 3iE™ allows you to view graphs of your recorded energy consumption with actual costs.

Only WARMUP tells you exactly what you pay for your underfloor heating system. The new 3iE™ floor heating thermostat strikes the perfect balance between safety, style and functionality.

Key Benefits

Easy control with dial and sliders

Compatibility - Suitable with all Warmup electric underfloor heating systems

Clear screen displaying program details - The Tempo’s Proportional Adaptive Function learns the time it takes to warm the room and activates the heating early so it is up to the right temperature when needed.

Simplicity - The Tempo enables you to choose the time as easily as you would with a watch or clock, and to quickly set your programs. Heat on when you want it and off when you don’t need it.

Technical Specifications

  • Supply voltage - 120V and 240V, 60Hz
  • Max Load - 15A
  • GFCI - 3iE-02NL (non GFCI - requires LENSE)
  • Floor Probe Lenght - 10ft (3m)
  • Sensor Type - Floor/ Air/ External
  • Battery back-up - 60min
  • Dimensions (H/W/D) - 3.5 x 4.3 x 1.2” (90 x 110 x 30 mm)
  • Screen Dimensions - 1.4 x 2”
  • IP rating - IP20/IP32* (*with optional gasket)
  • Approvals - UL approved
  • 3-year warranty


• The 3iE series thermostats are uniquely design to control electric and hydronic floor heating systems. They have been specially engineered to provide energy-monitoring both in wattage and cost to ensure optimum power usage.

• The 3iE series is built to fit a horizontal single gang or double gang electrical mount. The face of the device is an attractive touch-screen panel providing intuitive menus to control the device.

• The 3iE-05 series has a built-in Class A GFCI rated at 5mA. All 3iE series thermostat are dual voltage and can be powered at 120, 208 or 240V. The 3iE can switch up to 15 Amps worth of true load.

• All 3iE thermostats have a built-in Ambient Sensor and come supplied with a Floor Sensor to monitor floor or slab temperatures. It can operate on AIR, FLOOR or AIR + FLOOR modes for Primary Heating.

• A special WOOD setting will allow the device to be limited to 81°F temperatures when installed under laminate, engineered and natural wood floors.

• Suitable with all Warmup underfloor heating systems, the Tempo thermostat allows you to control the temperature of your underfloor heating system, to bring comfort, warmth and luxury to your home.

Easy to use and fully compatible with Warmup’s electric floor heating systems

LIMITATIONS - The Tempo is not a transformer. It must be powered accordingly to the load it will switch and operate.

Warmup How to Video's

Warmup 3iE-02 Smart Thermostat Installation & Operating Instructions

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