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The details
There’s no plumbing required with this modern designer radiator, which means installation is quick and straightforward. Simply mount it on the wall and plug it in. It features a digital thermostat for quick adjustments and can also be controlled via the intuitive Tuya app. Perfect on those noticeably cooler days; turn your radiator on with the touch of a button, ready for your arrival.
Cut those energy bills
Cheaper to run than your gas central heating, this radiator heats your room rather than your entire home. It's even prefilled with a quick heating fluid making it much more efficient. You can also create timed schedules to suit your daily routine - heat your kitchen as you cook after work then your living room as you relax on the sofa. Add more radiators to heat each room on demand and control them via the Tuya app.
Traditional column design
Efficient and beautiful to look at, this radiator with a two-column design and smooth finish would make a statement in any room. Featuring 36 columns, it's compact too and delivers plenty of heat. It's perfect for those who prefer a traditional period look.
Easy to install
Installing this radiator couldn’t be easier. There’s no need for a pricy plumber, simply fit the element, wall mount and plug it in, and you’re good to go. You can also hardwire for a more permanent installation. Its IPX4 bathroom safe rating makes it suitable for any room.
Quick adjustments
The built-in touchscreen digital thermostat allows you to make quick adjustments to the temperature or even turn the radiator on or off - ideal if there's a sudden nip in the air.
Smart control
Gone are the days of waking up or returning to a cold house. That's what makes this radiator a smart choice. With Wi-Fi connectivity, you're in control wherever you are. Simply download the Tuya app and enjoy complete control of your radiators anytime from your phone. Control it using your voice to change the temperature, cancel or boost your heating from your Alexa Echo or Google Home.
Key features
- Dimensions: 40x83x7cm
- Weight:22.35kg
- Columns: 0
- Waterproof rating: IPX4
- Prefilled: Yes, with antifreeze and thermodynamic fluid
- Finish: Powder-coated
- Material: Mild steel
- Colour: Cleopatra
- Available colours: Dark anthracite grey, Light grey, White, Beige grey, Elk brown, Smoked Stone, Linen, Salt & Pepper, Russet, Cleopatra, Ever Green
- Installation: 13 amp plug (supplied) or hardwired
- Cable length: 1.3m
- Maximum wattage: 1.2kW
- Warranty: 5 years electrical / 10 years radiator
- Supplied with fixtures and tools needed for easy DIY installation
Downloads
User manual
Question from Chris: Asked on 20/01/2026 How much electric does this consume?
Hi, The Cleopatra Horizontal Smart Electric Radiator with Wi-Fi Thermostat (HC18-400-1.2CLW) consumes a maximum of 1.2?kW of electricity, which equates to 1.2?kWh for every hour it runs at full power, though actual usage is usually lower because the thermostat and smart controls switch the heater on and off to maintain the desired temperature.
Thank you.