# Ariston VELIS TECH WIFI 100 EU Electric Water Heater, 100L, 1500W, Horizontal/Vertical Installation

**URL:** https://aio.lv/en/product--ariston-3100913--12508991
**Data updated:** 2026-06-12 15:49 (EEST)
**Category:** Water Heaters
**Manufacturer:** ARISTON
**Manufacturer code:** 3100913
**EAN:** 5411692100063
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 425.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 352.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ariston-3100913--12508991

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Courier delivery to door | 29.06.2026 | 53.99 EUR |

## Summary description

The Ariston VELIS TECH WIFI 100 EU is a high-efficiency 100-liter electric water heater designed for versatile horizontal or vertical installation. Featuring a 1500W heating element and smart Wi-Fi connectivity, it offers precise control over domestic hot water. With an energy efficiency class B rating and an LCD display, this solo boiler system ensures reliable performance, safety at 8 bar pressure, and optimized energy consumption for modern households.

## Long description

The Ariston VELIS TECH WIFI 100 EU is a high-performance electric water heater designed to provide reliable hot water for modern households. With a generous 100-liter capacity and a slim, space-saving design, this unit offers flexible installation options, allowing it to be mounted either horizontally or vertically to suit your specific interior layout. Equipped with smart Wi-Fi connectivity, it allows for convenient remote management, ensuring that hot water is available exactly when you need it while optimizing energy usage.
Advantages
This water heater stands out due to its advanced energy efficiency, holding a class B rating which helps in reducing annual electricity consumption. The inclusion of an intuitive LCD display provides clear feedback on the current status and temperature settings, making it easy to monitor performance. Its dual-tank architecture ensures faster heating times compared to traditional models, while the robust construction supports a maximum operating pressure of 8 bar, guaranteeing safety and durability for long-term domestic use.
Suitable for
Residential apartments and houses requiring efficient hot water solutions
Spaces where flexible horizontal or vertical wall mounting is necessary
Users who prefer remote control via Wi-Fi for energy management
Modern households looking for a compact, slim-profile water heating appliance
When it may not be suitable
This unit may not be ideal for large commercial facilities or industrial applications that require a significantly higher volume of hot water than a 100-liter tank can provide. Additionally, if your household electrical system cannot support a 1500W load or if the installation area lacks sufficient wall strength to support the weight of a full 100-liter tank, alternative solutions should be considered.
Key specifications
Capacity: 100 Liters
Power: 1500 W
Installation: Horizontal or Vertical
Maximum operating pressure: 8 bar
Energy efficiency class: B
Dimensions: 880 mm (W) x 275 mm (D) x 1272 mm (H)
Connectivity: Wi-Fi enabled
Display: LCD
How to use
Installation should be performed by a qualified professional to ensure all plumbing and electrical connections meet safety standards. Once installed, use the integrated LCD interface or the connected mobile application to set your desired water temperature and heating schedule. The smart features allow you to program the heater to align with your daily routine, ensuring efficiency. Regularly check the display for any maintenance alerts or system status updates to keep the unit running optimally.
What to consider before purchase
Verify that your wall structure can support the weight of the heater when filled with water
Ensure there is adequate space for the dimensions of 880 x 275 x 1272 mm
Check for a stable Wi-Fi signal in the installation area for smart features
Confirm that your electrical supply is compatible with the 230V requirement
Usage recommendations
For maximum energy savings, utilize the Wi-Fi scheduling features to heat water only during periods of high demand. Periodically inspect the unit for any signs of leaks or pressure irregularities to maintain safety and performance.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi | Yes |

### Design

| Feature | Value |
|---|---|
| Type | Tank (water storage) |
| Placement supported | Horizontal/Vertical |
| Water tank capacity | 100 L |
| Heater location | Indoor |
| Fuel type | Electric |
| International Protection (IP) code | IPX4 |
| Boiler system | Solo boiler system |
| Product colour | Silver |
| Control type | Wireless |
| Smartphone/tablet remote support | Yes |
| Anode rod type | Magnesium anode rod |

### Performance

| Feature | Value |
|---|---|
| Noise level | 15 dB |
| Adjustable thermostat | Yes |
| Maximum power | 1500 W |
| Maximum operating pressure | 8 bar |
| Temperature (max) | 80 °C |
| Domestic Hot Water (DHW) flow | 115 l/min |
| Warm-up time (max) | 50 min |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class | B |
| Annual energy consumption | 1296 kWh |
| AC input voltage | 230 |
| Energy efficiency scale | A+ to F |

### Ergonomics

| Feature | Value |
|---|---|
| Overheat protection | Yes |
| Indication light | Yes |
| Thermometer | Yes |
| Built-in display | Yes |
| Display type | LCD |
| Load profile | M |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 35.5 kg |
| Package weight | 39000 g |
| Height | 1272 mm |
| Width | 880 mm |
| Depth | 275 mm |
| Package depth | 560 mm |
| Package height | 324 mm |
| Package width | 1364 mm |

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 5 year(s) |

## FAQ

### How much does the Ariston VELIS TECH WIFI 100 EU Electric Water Heater cost, and is it available for purchase?

The price is 425.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 47 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Ariston VELIS TECH WIFI 100 EU Electric Water Heater be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ARISTON products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ARISTON service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, placement supported, water tank capacity, heater location, energy efficiency class, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Ariston VELIS TECH WIFI 100 EU Electric Water Heater?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12508991/68866001_large.webp