Control unit

Control unit
Electronic control unit for ERAFLYME electric radiators. Maintains the set temperature, protects against overheating and saves energy.
Which control unit should you choose?
EF4LR — the classic no-frills unit
A ready-to-use control unit with a cable and plug for ERAFLYME electric radiators. Works straight out of the box: two presses and the set temperature is maintained automatically. Five heating modes, sleep timer up to 12 hours, child lock, overheat and surge protection.
EF45 — smart scheduled savings
A control unit with an hourly schedule: set your own heating scenario for a day or a week and pay less for electricity. It detects an open window and stops heating the street, and runs reliably from a generator during outages.
EF3WB WiFi — full control from your phone
The flagship WiFi control unit: the SmartLife app shows the room temperature and lets you switch modes from work or even from abroad. The most precise temperature hold (0.1°C steps), weekly schedule and generator compatibility.
| Feature | EF4LR | EF45 | EF3WB WiFi |
|---|---|---|---|
| Control | 2 buttons | 2 buttons | Smartphone + 2 buttons |
| WiFi / mobile app | — | — | ✓ SmartLife, 2.4 GHz |
| Temperature control accuracy | 0.5°C | 0.5°C | 0.1°C |
| Hourly schedule | — | ✓ daily / weekly | ✓ daily / weekly |
| Heating modes | Comfort, Eco, Anti-freeze, Turbo comfort, Surface, Off | Comfort, Eco, Anti-freeze, Turbo comfort, Surface, Off | Comfort, Eco, Anti-freeze, Turbo comfort, Surface, Off |
| Shutdown timer | ✓ 1–12 h | ✓ 1–12 h | ✓ 1–12 h |
| Open Window function | — | ✓ | — |
| Generator support | — | ✓ | ✓ |
| 50% power reduction | ✓ | ✓ | ✓ |
| Grounding control | ✓ | ✓ | ✓ |
| Child lock | ✓ | ✓ | ✓ |
| Overheat and surge protection | ✓ | ✓ | ✓ |
| Load capacity | 1500 W | 1500 W | 1500 W |
Which one is right for you
- EF4LR — Choose it if you want a set-and-forget unit — no schedules or apps.
- EF45 — Choose it if you want real savings without daily adjustments.
- EF3WB WiFi — Choose it if you value phone control and maximum precision.
Spare parts

Radiator heating element
Heating element for ERAFLYME electric radiators. Choose size (left L / right R).

Radiator section
Aluminium section for assembling and repairing ERAFLYME electric radiators. Corrosion-resistant with good heat output — add as many sections as the room needs.

Control board
Control board (electronic module) for ERAFLYME electric radiators. A spare part for repairing the control unit — restores thermostat and indicator operation.

Ceramic panel case
Housing for the ERAFLYME ceramic heating panel. A sturdy base for assembling or repairing the panel: precise geometry and secure mounting of the heating elements.