ENGO Controls E25-230B Smart Wi-Fi Thermostat, Surface-Mounted, 230V

The ENGO Controls E25-230B is a modern, internet-based surface-mounted temperature regulator designed for precise and convenient control of electric heating systems, underfloor heating, and boilers. With built-in Wi-Fi connectivity, it allows you to manage your home's temperature remotely via the ENGO Smart App, compatible with Google Assistant and Amazon Alexa for voice control. The device features a backlit LCD display, manual buttons, and a range of intelligent functions including adaptive start, open window detection, frost protection, and child lock. Its voltage-free contact output (NO/COM) supports resistive loads up to 3A, making it suitable for various heating applications.

Advantages

Smart Wi-Fi control for energy savings and comfort; easy surface mounting; intuitive weekly programming (5/2 or 7-day); selectable hysteresis (0.5°C or 1.0°C) for precise temperature regulation; compatibility with external sensor FS300 (sold separately) for enhanced accuracy; works with voice assistants for hands-free operation.

Suitable for

• Electric heating systems
• Underfloor heating
• Boilers
• Residential and commercial spaces requiring smart temperature control

Key specifications

• Power Supply: 230V AC 50Hz
• Max Load: 3A (resistive)
• Output: Voltage-free contact (NO/COM)
• Temperature Range: 5°C - 35°C
• Accuracy: ±0.5°C
• Hysteresis: 0.5°C / 1.0°C (selectable)
• Connectivity: Wi-Fi 2.4 GHz
• Mounting: Surface-mounted
• Display: Backlit LCD
• Protection Rating: IP20
• Colour: White

Recommendations

For optimal performance, ensure a stable 2.4 GHz Wi-Fi network. The external temperature sensor FS300 can be added for more accurate floor temperature measurement. This thermostat is not suitable for high-voltage loads above 3A resistive; use a contactor for larger loads.