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Last updated: 10 October 2023

Find the Right Ariston Boiler for Your Home

About Ariston

Ariston is part of the Ariston Thermal Group, that owns 53 companies, 22 production sites and 150 distribution countries. The vision of the group is to be 80% highly efficiency renewable by 2020. The group was founded in Italy in 1930 and nowadays is present worldwide.

In the UK, its headquarter is located in Birmingham. The main focuses of the company are on integrity, people, excellence, sustainability and customer satisfaction.

Ariston Thermo Group

Boilers Provided by Ariston in the UK

Here you will be able to find the three main types of boilers provided by Ariston: combi boilers, system boilers, heat only boilers and Flowsmart boilers.

Combi Boilers

Class HE Evo and E-Combi Evo

This type of combi boiler has a guarantee of 5 years. Its main features are:

  • Unique AUTO function optimises efficiency of boiler and system
  • Anti-frost and anti-scale device
  • Stainless steel heat exchanger
  • Range of wired and wireless controls
Ariston GENUS premium EVO and CLAS premium EVO boilers

System Boilers

Ariston’s system boilers benefit from a user-friendly interface and more developed control options and electrical connections.

Ariston System Boilers Specifications

Heat Only Boilers

These kinds of boilers are made for old UK properties. They use a hot water cylinder and a tank in a loft to provide hot water to the household. The characteristics of heat only boilers are:

  • 240v switching
  • Unique AUTO option which leads to an optimisation of the boiler system
  • Two temperature management zones allow the household to manage the upgrades of standard systems.


Considered as the new boiler generation, FlowSmart addresses demands for above average hot water demands. This system matches the performance of a hot water system boiler combined with a 200L unvented cylinder while consuming 25% less gas. This product is designed for large household needs.

FlowSmart Original.

This new product offers:

  • 5 year guarantee
  • Long periods of hot water delivery
  • Space efficiency
    ¤ An additional photovoltaic immersion heater can represent a renewable source for the household. It is a supplementary resource that can be used with the FlowSmart system to increase the household energy savings and decrease CO² emissions.
Alpha FlowSmart at Home

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