Aqara W400 FCU Smart Thermostat

Take Control of Comfort with Smart Precision

The Aqara W400 FCU Smart Thermostat is designed for people who expect more from their climate control. Whether you’re updating a home, office, or apartment with a 2-pipe or 4-pipe fan coil unit (FCU), this wall-mounted thermostat gives you the modern, connected, and intelligent solution you need.

Engineered with a beautiful 4-inch touchscreen and built-in support for Wi-Fi, Zigbee, and Bluetooth, the Aqara W400 goes far beyond basic temperature control. It acts as a smart home hub, allowing you to manage devices, set automated scenes, and customize your environment—all from a single screen.

Designed for Fan Coil Units, Built for Modern Living

Not all thermostats are built with FCU systems in mind. The Aqara W400 FCU model is purpose-built to support 2-pipe and 4-pipe fan coil units, making it the perfect fit for HVAC systems used widely in homes, hotels, and commercial buildings across Dubai and the UAE.

If you’re in the market for a smarter way to manage your indoor comfort, the Aqara thermostat offers a feature-rich, future-proof solution that blends seamlessly into any interior.

Smart Features That Work for You

• Works with 2-pipe and 4-pipe FCUs

• Built-in Wi-Fi (2.4GHz & 5GHz), Zigbee 3.0, and Bluetooth

• Fully customizable 4-inch touchscreen with up to 6 control pages

• Manage your smart devices, lights, curtains, scenes, and more

• No hub needed for Wi-Fi operation (Zigbee hub optional)

• Regular OTA updates through the Aqara Home app

• Secure access with screen lock and password protection

Your Smart Home Control Center

With its vibrant touchscreen display, the aqara w400 does more than adjust temperatures. It puts complete smart home control at your fingertips. Customize layouts, monitor device status, and create scenes that simplify your day.

Want to set up a “Work Mode” or “Evening Relaxation” scene? You can automate fan coil settings, adjust lighting, and control other devices with a single tap.

Remote Access from Anywhere

Whether you’re at home or on the move, the Aqara W400 keeps you connected. Use the Aqara Home app to adjust the thermostat remotely. Schedule heating or cooling based on your routine or use voice commands through your preferred smart assistant.

It’s flexibility, efficiency, and convenience in one sleek device.

Perfect for UAE Homes and Commercial Spaces

With its stylish design and versatile functionality, the Aqara W400 is ideal for a wide range of applications. From apartments in Dubai to office buildings across the UAE, it brings reliable FCU control with smart features that save energy and enhance comfort.

Its compatibility with standard 86mm wall boxes means it’s easy to install without complicated renovations or special mounts.

Product Specifications

• Model: WT-A02D (FCU)

• Dimensions: 86 × 86 × 44 mm

• Weight: Approx. 180g

• Material: Flame-retardant ABS with glass front

• Voltage: 220–250V AC, 50/60Hz

• Connectivity: Wi-Fi (2.4/5GHz), Zigbee 3.0, Bluetooth

• Operating Temp: 10°C to 40°C

• Humidity Range: 0–95% RH

• Compatibility: 2-pipe and 4-pipe FCU systems

• Control Modes: App, voice, schedule, touchscreen, scenes

• Customization: Up to 6 pages, 10 layouts

What’s Inside the Box

• 1 × Aqara W400 Thermostat (FCU model)

• 1 × Mounting screw kit

• 1 × User manual

Frequently Asked Questions

Is this thermostat only for FCU systems?
Yes, this FCU version is designed specifically for 2-pipe and 4-pipe fan coil units.

Does it need a Zigbee hub to work?
No. It works via Wi-Fi right out of the box. A Zigbee 3.0 hub is only needed if you want to connect additional Zigbee devices.

Can I control other smart devices from the screen?
Yes. The Aqara W400 lets you control lights, curtains, outlets, and trigger pre-set scenes directly from the touchscreen.

How do I reset the device?
Swipe down from the top menu, go to Settings > Advanced Settings > Factory Reset. Or press and hold the top button for 10 seconds.

Can I use it with voice assistants?
Yes, the Aqara W400 works with popular voice control platforms for hands-free operation.

Is it suitable for apartments or only commercial spaces?
It’s suitable for both. Whether it’s a studio flat in Dubai or a large office, this thermostat adapts to your needs.

Why Choose the Aqara W400 FCU Thermostat?

If you’re upgrading your climate control system and want a product that is reliable, stylish, and smart-home ready, the Aqara W400 is an excellent choice. It’s already becoming a top choice in the aqara dubai and aqara uae smart home market thanks to its effortless control, modern design, and deep integration features.

It’s not just about temperature; it’s about control, efficiency, and making your space smarter.