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Water Heaters Parts Comparison - October 2025

6 Best Water Heaters Parts In the UK

1
Best Choice
9.9Exceptional
2
9.7Exceptional
3
9.5Excellent
4
Best Value
9.4Excellent
5
9.3Excellent
6
9.2Excellent
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Model

Camplux AY132 Tankless Propane Gas Water Heater White 5L
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 Water Heater Expansion Vessel Kit A
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.
Model
Duratherm Resetable Immersion Heater Thermostat 7 Inch 49020307
Model
3000W Instant Water Heater, Mini Electric Tankless Instant Heater with LED Display, Under Sink Water Heater Constant Temperature for Shower Bathroom Kitchen

Brand

CAMPLUX
Brand
Ariston
Brand
Ariston
Brand
Ariston
Brand
Primaflow
Brand
Luqixcey

Reviews

3,698 reviews
Reviews
246 reviews
Reviews
416 reviews
Reviews
390 reviews
Reviews
264 reviews
Reviews
-

Features

Worth the money

8.9
Worth the money
9.4
Worth the money
9.3
Worth the money
7.0
Worth the money
7.0
Worth the money
7.0

Easy installation

9.3
Easy installation
8.6
Easy installation
8.4
Easy installation
7.7
Easy installation
7.2
Easy installation
7.0

Tech Specs

item weight

4.54 kg
item weight
8.46 kg
item weight
-
item weight
2.02 kg
item weight
49.9 g
item weight
1.15 kg

item package quantity

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

batteries required

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

product dimensions

37.59 x 29.01 x 11 cm 4.54 kg
product dimensions
34.2 x 36 x 38.5 cm 8.46 kg
product dimensions
-
product dimensions
30.4 x 30.4 x 22 cm 2.02 kg
product dimensions
-
product dimensions
11.6 x 11.6 x 19.8 cm 1.15 kg

included components

shower head with 150cm red hose and snap on connector, Propane gas regulator with 150cm hose, G1/2'' water connector, Mounting accessories package screws included , User manual
included components
Pressure relief valve, dielectric junctions, wall bracket, installation manual, warranty certificate
included components
-
included components
User Manual and Instructions Manual
included components
-
included components
Instant Hot Water Heater

wattage

10 KW
wattage
2.5 KW
wattage
-
wattage
9.5 KW
wattage
2.7 KW
wattage
-

customer reviews

4.3 4.3 out of 5 stars 1, 849 ratings 4.3 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 123 ratings 4.5 out of 5 stars
customer reviews
-
customer reviews
3.6 3.6 out of 5 stars 195 ratings 3.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 132 ratings 4.5 out of 5 stars
customer reviews
-

color

White
color
White
color
-
color
White
color
-
color
White

batteries included

No
batteries included
No
batteries included
-
batteries included
-
batteries included
No
batteries included
-

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
  • 9.9
    1
    CAMPLUX
    28% Off

    Camplux AY132 Tankless Propane Gas Water Heater White 5L

    9.3 Easy installation
    8.9 worth the money

    Why we love it

    Portable and easy to carry.
    Works with low water pressure.
    Adjustable heat settings.
  • 9.7
    2
    Ariston
    23% 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.
  • 9.5
    3
    Ariston Water Heater Expansion Vessel Kit A
    Ariston

    Ariston Water Heater Expansion Vessel Kit A

    9.3 worth the money
    8.4 Easy installation
    Main highlights
    • Weight 1.5kg
    • Max pressure 10 bar
    • Capacity 2 litres
    • Ariston Water Heater Expansion Vessel Kit A

Our ranking system

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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.