---
product_id: 239369310
title: "Ariston 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"
brand: "ariston"
price: "€ 1644.35"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/239369310-ariston-velis-evo-wifi-45l-electric-water-heater-twin-tank
store_origin: SK
region: Slovakia
---

# 3 KW fast heating power Wi-Fi smart control via app Complete UK-compliant installation kit Ariston 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

**Brand:** ariston
**Price:** € 1644.35
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead with smart, sleek, and safe hot water—because your home deserves the best!

## Quick Answers

- **What is this?** Ariston 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 by ariston
- **How much does it cost?** € 1644.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/239369310-ariston-velis-evo-wifi-45l-electric-water-heater-twin-tank)

## Best For

- ariston enthusiasts

## Why This Product

- Trusted ariston brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play UK Ready:** Includes all installation essentials, fully UKCA certified for hassle-free setup and peace of mind.
- • **Safety You Can Trust:** Advanced Anti-Legionella and self-diagnosis systems keep your water pure and your heater protected.
- • **Smart Energy Savings:** Cut energy bills by up to 25% with real-time remote control and monitoring via the Aqua Ariston Net app.
- • **Rapid Hot Water Delivery:** Get steaming hot water in under 30 minutes—perfect for your fast-paced lifestyle.
- • **Space-Savvy Twin Tank Design:** Ultra-slim 27 cm depth fits seamlessly into compact homes without sacrificing capacity.

## Overview

The Ariston VELIS EVO WIFI 45L Electric Water Heater combines cutting-edge twin tank technology with Wi-Fi connectivity, delivering hot water in under 30 minutes while enabling up to 25% energy savings. Its ultra-slim design fits perfectly in modern UK homes, supported by a full installation kit and advanced safety features including an Anti-Legionella system. Awarded Best Hot Water Innovation 2021, it’s the smart, stylish, and reliable choice for efficient home heating.

## Description

Ariston 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

## Features

- Quick Heating Time: Ready to provide hot water in less than 30 minutes, perfect for busy homes.
- Smart Connectivity: Features Wi-Fi connectivity for remote management through the Aqua Ariston Net app, allowing easy adjustments and real-time monitoring for up to 25% energy savings.
- Compact Design: Ultra-slim twin tank technology, only 27 cm deep, offers a space-saving solution without compromising on water availability.
- Full Control at Your Fingertips: Receive notifications on your device when water is hot, and adjust temperatures and settings via your smartphone for maximum convenience.
- Complete Installation Kit Included: Comes with everything needed for setup, including a 12L expansion vessel, tundish, and pressure reducing valve, specifically designed for compliance with UK regulations and KIWA certified.
- ABS Safety and Anti-Legionella System: A set of functions, including Anti-Overheating, Anti-Freezing and Dry Heating Self-Diagnosis, protect the unit in case of energy or water failures. Once a month, this efficient water heater automatically increases the water temperature up to 65°C, in order to eliminate the risk of legionella bacteria developing.
- Ideal installations: 1 Bedroom Properties Loft Conversions Cylinder Replacement Installations.
- Fully UKCA certified to be installed in the UK Market.
- Awarded "Best Hot Water Innovation" in the Green Home Awards 2021.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Ariston |
| Part Number | 3626307 |
| Product Dimensions | 27.5 x 50.6 x 77.6 cm; 5.06 kg |
| Item model number | 3626307 |
| Size | 45 L |
| Colour | Brushed Metal |
| Style | Indoor Installation |
| Voltage | 240 Volts |
| Wattage | 3 KW |
| Item Package Quantity | 1 |
| Plug profile | Wall |
| Special Features | Wi-Fi Connectivity, Twin Tank Technology, Anti-Legionella System |
| Included Components | 12L expansion vessel, combination valve, discharge tundish, instruction manual, warranty certificate |
| Batteries Required? | No |
| Item Weight | 5.06 kg |

## Product Details

- **Brand:** Ariston
- **Product dimensions:** 50.6W x 77.6H centimetres
- **Special feature:** Wi-Fi Connectivity, Twin Tank Technology, Anti-Legionella System
- **Colour:** Brushed Metal
- **Wattage:** 3 KW

## Images

![Ariston 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 - Image 1](https://m.media-amazon.com/images/I/61Siq4ua9QL.jpg)

## Questions & Answers

**Q: Can this unit be mounted horizontally?**
A: 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.

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

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

**Q: can you use this product if wi-fi is not always availible?**
A: Dear Customer, 

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

Thanks.
Regards.

## Frequently Bought Together

- Ariston 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
- Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze
- Ariston 406807 KIT C Discharge TUNDISH (15MM-22MM), Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/239369310-ariston-velis-evo-wifi-45l-electric-water-heater-twin-tank](https://www.desertcart.sk/products/239369310-ariston-velis-evo-wifi-45l-electric-water-heater-twin-tank)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-22*