Can this unit be mounted horizontally?

I’m not 100% sure but have see images of this mounted both vertically and horizontally, the mounting brackets on the back would allow for this. The Ariston Facebook page also has a video of it mounted both ways but would be worth messaging them directly to get a proper answer.

My flat has a 2 bars pressure, will that be enough if I replace my unvented inderect cylinder with the Velis?

Good Morning, Thank you for your question. A cold water supply pressure between 1 and 3.5 bar is required (if the mains pressure is above 3.5 bar a pressure reducing valve must be installed). Regards.

Can 45l tank provide enough hot water for one bath. I live alone and have a separate electric shower.

A standard bath is about 180ltr so maybe not really enough, if you set it to max temperature and mixed cold to increase the volume you may possibly push it to 63ltrs but this would be pretty shallow for bathing.

can you use this product if wi-fi is not always availible?

Dear Customer, It can be used with or without Wi-Fi, the Wi-Fi is just an option. Thanks. Regards.

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VELIS EVO WIFI 45L Electric Water Heater, Twin Tank Technology, B Class ErP, Aqua Ariston Net App, Ideal Electric Heater for Home & Bathroom Heater, Water Boiler, Unvented Kit, UK Install

Product ID: 239369310

Details

Brand
Ariston
Capacity
45 litres
Power source
Corded
Product dimensions
50.6W x 77.6H
Special feature
Wi-Fi Twin

⚡3 kW rapid heat output

📏Ultra-slim 27 cm depth design

📱Wi-Fi smart control & monitoring

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Description

🔥 Elevate your home comfort with smart, speedy hot water!

HEAT UP IN A FLASH - Get hot water ready in under 30 minutes—perfect for your fast-paced lifestyle.
SMART ENERGY SAVER - Wi-Fi connectivity with Aqua Ariston Net app cuts energy use by up to 25%, saving you money and carbon footprint.
SPACE SAVVY DESIGN - Ultra-slim 27 cm depth fits seamlessly into tight spaces without sacrificing capacity.
SAFETY YOU CAN TRUST - Anti-Legionella system and ABS safety features keep your water pure and your home protected.
PLUG PLAY CONVENIENCE - Complete UK-compliant unvented kit included for hassle-free installation and peace of mind.

The VELIS EVO WIFI 45L is a sleek, wall-mounted electric water heater featuring ultra-slim twin tank technology for space-saving installation. It delivers rapid heating with a 3 kW output, reaching hot water in under 30 minutes. Integrated Wi-Fi connectivity via the Aqua Ariston Net app enables remote control and real-time monitoring, optimizing energy use by up to 25%. Safety is paramount with an anti-legionella system and ABS protections. The unit comes with a full UK-compliant unvented kit, making it ideal for modern 1-bedroom homes, loft conversions, or cylinder replacements. Awarded 'Best Hot Water Innovation' at the Green Home Awards 2021, it combines Italian design elegance with cutting-edge technology.

Specifications

ASIN	B08HDW2J24
Best Sellers Rank	47,138 in DIY & Tools ( See Top 100 in DIY & Tools ) 52 in Water Heaters & Parts
Brand	Ariston
Capacity	45 litres
Colour	Brushed Metal
Country of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (12)
Efficiency	B
Heat Output	3 Kilowatts
Included Components	12L expansion vessel, combination valve, discharge tundish, instruction manual, warranty certificate
Is Electric	Yes
Item Depth	27 centimeters
Item Dimensions W x H	50.6W x 77.6H centimetres
Item Type Name	VELIS EVO WIFI 45L UK incl. unvented kit
Item Weight	5.06 Kilograms
Manufacturer	Ariston
Material	Titanium finished steel
Maximum Temperature	65 Degrees Celsius
Model Number	3626307
Mount Type	Wall
Part Number	3626307
Power source	Corded Electric
Special Features	Wi-Fi Connectivity, Twin Tank Technology, Anti-Legionella System
Style	VELIS EVO WIFI
Unit Count	1.0 count
Voltage	240 Volts
Wattage	3 KW

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