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Ariston Water Heaters Comparison - July 2025

6 Best Ariston Water Heaters In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
Best Value
9.4Excellent
4
9.3Excellent
5
9.0Excellent
6
8.9Very Good
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Model

Ariston ANDRIS LUX ECO 15 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100722, White
Model
Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks
Model
Ariston ANDRIS R 15 L Undersink Electric Water Heater, 3kW, Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100834.
Model
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.
Model
Ariston VELIS EVO WIFI 80L 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
Model
Ariston AURES Multi Electric Instantaneous Water Heater 9.5kW, Multi-Point, Compact Size, ELCB System, User-Friendly and A Energy Rated. Manufactured to be Installed in UK – 3195216.

Brand

Ariston
Brand
Hanicks
Brand
Ariston
Brand
Ariston
Brand
Ariston
Brand
Ariston

Reviews

246 reviews
Reviews
16 reviews
Reviews
112 reviews
Reviews
60 reviews
Reviews
44 reviews
Reviews
390 reviews

Features

Easy installation

8.6
Easy installation
9.4
Easy installation
9.4
Easy installation
9.1
Easy installation
8.6
Easy installation
7.7

Worth the money

9.4
Worth the money
9.8
Worth the money
9.8
Worth the money
9.1
Worth the money
9.1
Worth the money
7.0

Tech Specs

item weight

8.46 kg
item weight
7.5 kg
item weight
7.5 kg
item weight
33.1 kg
item weight
37.8 kg
item weight
2.02 kg

customer reviews

4.5 4.5 out of 5 stars 123 ratings 4.5 out of 5 stars
customer reviews
4.8 4.8 out of 5 stars 8 ratings 4.8 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 56 ratings 4.4 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 30 ratings 4.6 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 22 ratings 4.3 out of 5 stars
customer reviews
3.6 3.6 out of 5 stars 195 ratings 3.6 out of 5 stars

color

White
color
White
color
Silver, Black
color
White, Black
color
Brushed Metal
color
White

product dimensions

34.2 x 36 x 38.5 cm 8.46 kg
product dimensions
-
product dimensions
34.6 x 34.6 x 38.5 cm 7.5 kg
product dimensions
48 x 47 x 96.2 cm 33.1 kg
product dimensions
27.5 x 50.6 x 125.1 cm 37.8 kg
product dimensions
30.4 x 30.4 x 22 cm 2.02 kg

included components

Pressure relief valve, dielectric junctions, wall bracket, installation manual, warranty certificate
included components
Water Heater & Bracket
included components
-
included components
12L expansion vessel, combination valve, discharge tundish, instruction manual, warranty certificate
included components
12L expansion vessel, combination valve, discharge tundish, instruction manual, warranty certificate
included components
User Manual and Instructions Manual

item package quantity

1
item package quantity
1
item package quantity
-
item package quantity
1
item package quantity
1
item package quantity
1

wattage

2.5 KW
wattage
2 KW
wattage
-
wattage
-
wattage
80 watts
wattage
9.5 KW

size

15 Litre
size
H 360 mm x W 360 mm x D 298 mm
size
-
size
100 Litre
size
80 L
size
-

batteries required

No
batteries required
-
batteries required
-
batteries required
No
batteries required
No
batteries required
No

special features

Fast Heating
special features
Overheat Cut-Out Protection
special features
Fast Heating
special features
-
special features
-
special features
-

voltage

240 Volts
voltage
240 Volts AC
voltage
-
voltage
-
voltage
240 Volts
voltage
-

style

-
style
Modern
style
-
style
-
style
Indoor Installation
style
New Updated Model

Available On

Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Ariston
    15% Off

    Ariston ANDRIS LUX ECO 15 L Undersink Electric Water Heater 2.5kW with A Titanium Enamelled Tank, A Class Erp Rating, Copper Heating Element, Manufactured To Be Installed In UK - 3100722, White

    9.4 worth the money
    8.6 Easy installation

    Why we love it

    The Andris Lux Eco has a first in class ErP rating of A across all models.
    The Eco Evo function saves up to 15 on your energy bill by remembering when and how much hot water you use.
    The monthly anti legionella function eliminates the risk of legionella bacteria developing.
  • 9.7
    2
    Hanicks

    Ariston Andris Lux 10L Under-Sink Unvented Electric Water Heater, 2kW 3100306 - Hanicks

    9.8 worth the money
    9.4 Easy installation

    Why we love it

    Easy temperature control with frontal knob.
    Durable with robust internal 4-bolt flange.
    Modern, compact design with 3-year guarantee.
  • 9.4
    3
    Ariston
    30% Off

    Ariston ANDRIS R 15 L Undersink Electric Water Heater, 3kW, Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100834.

    9.8 worth the money
    9.4 Easy installation

    Why we love it

    Durable titanium enamelled tank.
    Energy-saving economy setting.
    Precise temperature control.

Our ranking system

The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.