---
product_id: 316484365
title: "Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021."
brand: "ariston"
price: "₩4634476"
currency: KRW
in_stock: true
reviews_count: 7
category: "Ariston"
url: https://www.desertcart.kr/products/316484365-ariston-pro1-eco-100-l-electric-storage-water-heater-inclusive
store_origin: KR
region: South Korea
---

# 2580W powerful heating 100L large capacity TitanShield anti-corrosion Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.

**Brand:** ariston
**Price:** ₩4634476
**Availability:** ✅ In Stock

## Summary

> 🔥 Hot water, smart savings, zero compromises! 💧

## Quick Answers

- **What is this?** Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021. by ariston
- **How much does it cost?** ₩4634476 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/316484365-ariston-pro1-eco-100-l-electric-storage-water-heater-inclusive)

## 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

- • **Safety First:** Comprehensive ABS safety package with Anti-Legionella cycle ensures clean, bacteria-free hot water at 65°C.
- • **Built to Last:** TitanShield’s titanium enamel and magnesium anode protect against rust and corrosion for long-lasting reliability.
- • **Smart Energy Saver:** Eco Evo function learns your habits to cut energy bills by up to 14%, making every drop count.
- • **Space-Savvy Design:** Slim 35.3 cm width and easy-install unvented kit fit perfectly in any UK home without extra wall drilling.
- • **Maximized Hot Water:** WaterPlus technology boosts hot water availability by 16%, so you never run out during peak moments.

## Overview

The Ariston PRO1 ECO 100L Electric Storage Water Heater combines cutting-edge Eco Evo energy-saving technology with WaterPlus for 16% more hot water availability. Its TitanShield anti-corrosion system ensures durability, while the ABS safety package and Anti-Legionella cycle guarantee safe, hygienic water. Designed for compact UK spaces, this 2580W powerhouse delivers reliable, efficient hot water with a sleek, space-saving profile.

## Description

From the manufacturer Automatic setting of the product based on when and how much hot water is used. The elegant aesthetics are designed with attention to detail in collaboration with Italian designers. Anti-corrosion and rust-resistant technology which prevents the surface from corroding even when it is in contact with hot water. Automatic water heating cycle to prevent bacterial growth.

Review: More than expectations - Unvented solves the pressure through taps
Review: Perfect for Flats and small houses. - Purchased to replace Ariston ST100 which is no longer available unfortunately. Taller than original heater so had to alter existing pipework and resize connector to undersize of heater. Why Ariston changed the layout and sizes baffles me except if it was to bring in line with European heaters. Fitted heater in 3 hours and now working as expected. Heater elements are always suspect on these heaters as they corrode away.

## Features

- “Eco Evo” Function: The innovative ECO EVO function memorises user habits to deliver hot water while saving up to 14% on energy bills. The product operates in compliance with top standards on energy efficiency within the electric water heating category.
- WaterPlus patented technology: Ariston's groundbreaking WaterPlus technology keeps the incoming cold water at the bottom of the tank, reducing the mix with stored hot water, for up to 16% more hot water availability.
- TitanShield technology for tank protection: The inner surface of the tank is enamelled with a layer of titanium, an anti-corrosion and rust-resistant material, which prevents the surface from corroding, even when in contact with warm water. Titanium’s natural properties are boosted by the action of a large magnesium anode that stops the oxidation reactions on the tank’s inner surface, prolonging the life of the water heater.
- Total Safety: Pro 1 water heaters have passed all safety tests necessary to meet the standards required by EC directives. The ABS safety package offers protection for both the product and its users. Furthermore, the included Anti Legionella system performs a complete cycle of heating to a temperature of 65° C to sanitize and remove any bacteria present in the accumulated water.
- Suitable to any space: Pro1, with a width of only 35,3 cm, has been designed to fit any space. The innovative installation kit allows the replacement of the boiler (of the same dimensions) without having to drill the wall again.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B093LTVYN4 |
| Best Sellers Rank | 138,851 in DIY & Tools ( See Top 100 in DIY & Tools ) 322 in Water Heaters & Parts |
| Brand | Ariston |
| Capacity | 100 litres |
| Colour | Black, White |
| Country of Origin | Italy |
| Customer Reviews | 4.7 out of 5 stars 36 Reviews |
| Efficiency | B |
| Included Components | 12L expansion vessel, combination valve, discharge tundish, instruction manual, warranty certificate |
| Is Electric | Yes |
| Item Dimensions W x H | 47W x 96.2H centimetres |
| Item Type Name | Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021. |
| Manufacturer | Ariston |
| Manufacturer Warranty Description | 3 years. |
| Material | Acrylonitrile Butadiene Styrene |
| Model Number | 3820021 |
| Mount Type | Wall |
| Power source | Corded Electric |
| Product dimensions | 47W x 96.2H centimetres |
| Special Features | TitanShield, “Eco Evo” Function |
| Special feature | TitanShield, “Eco Evo” Function |
| Style | Essential |
| Unit Count | 1.0 Count |
| Voltage | 240 Volts (AC) |
| Wattage | 2580 watts |

## Product Details

- **Brand:** Ariston
- **Capacity:** 100 litres
- **Power source:** Corded Electric
- **Product dimensions:** 47W x 96.2H centimetres
- **Special feature:** TitanShield, “Eco Evo” Function

## Images

![Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021. - Image 1](https://m.media-amazon.com/images/I/51m0d6VttLS.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Can this heater be installed up in a loft**
A: Good Morning,

Thank you for your questions. As long as the installation follows UK building regulations and manufacturer guidelines there is no restriction as to where this product is installed inside a property.

BR

**Q: Can it be installed inside an airing cupboard in the bathroom?**
A: Good Morning,
This product can be installed in an airing cupboard as long as it offers enough space for the unit and the installation kits as well as any spacing requirements outlined in the manufacturers manual.
Thanks for your question.
Kind Regards.

**Q: Would the 50L one be OK for a one bed flat, with enough for 2 consecutive showers once heated and on during the showers?**
A: Yes but an 80 liter would be better.

**Q: Can I install this unit in Spain?**
A: Good Morning,
Please note this product is produced and certified for the UK. We cannot guarantee this product meets the legal building requirements for another country, neither can we uphold any warranty if installed abroad. To ensure your water heater meets all necessary criteria for an installation in Spain please make sure you buy a product offered by Ariston Spain.
Thank you for your question.
Kind Regards.

## Customer Reviews

### ⭐⭐⭐⭐⭐ More than expectations
*by Z***N on 13 April 2024*

Unvented solves the pressure through taps

### ⭐⭐⭐⭐⭐ Perfect for Flats and small houses.
*by S***N on 18 November 2021*

Purchased to replace Ariston ST100 which is no longer available unfortunately. Taller than original heater so had to alter existing pipework and resize connector to undersize of heater. Why Ariston changed the layout and sizes baffles me except if it was to bring in line with European heaters. Fitted heater in 3 hours and now working as expected. Heater elements are always suspect on these heaters as they corrode away.

### ⭐⭐⭐⭐ Good
*by N***H on 3 February 2024*

Good

## Frequently Bought Together

- Ariston PRO1 ECO 100 L Electric Storage Water Heater, Inclusive Of Unvented Kit, B class ErP Rating, WaterPlus Tecnology, Titanshield Tecnology, Manufactured to be installed in UK - 3820021.
- Ariston Water Heater Expansion Vessel Kit A
- Ariston 406802 KIT B 3.5 BAR Pressure REDUCING Valve, Bronze

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-05*