Advertising Disclosure Water Heaters Parts Comparison - January 2026
7 Best Water Heaters Parts In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.5Excellent | 3  9.4Excellent | 4 9.1Excellent | 5  9.0Excellent | 6  8.9Very Good | 7  8.8Very Good |
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ModelAriston 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 Water Heater Expansion Vessel Kit A | Model Stiebel Eltron DCE-X 6/8 Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238158, 220240 V, White | Model Ariston ANDRIS R 10 L Undersink Electric Water Heater, 2kW Control Unit, B class ErP rating, Economy “E” Setting, Manufactured to be installed in UK - 3100863. | Model SPARES2GO 27" Incoloy Hard Hot Water Immersion Heater Boiler Element + Copper Pocket + Thermostat | Model Duratherm Resetable Immersion Heater Thermostat 7 Inch 49020307 | Model Triton Water Heater SPINSF07MW |
BrandAriston | Brand Ariston | Brand Stiebel Eltron | Brand Ariston | Brand Spares2go | Brand Primaflow | Brand Triton Showers |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews  | Reviews |
Features | ||||||
Easy installation 9.4 | Easy installation 9.4 | Easy installation 9.3 | Easy installation  9.9 | Easy installation 9.6 | Easy installation 9.3 | Easy installation 9.9 |
Lasts a long time 9.8 | Lasts a long time 9.8 | Lasts a long time 9.6 | Lasts a long time 9.8 | Lasts a long time 9.6 | Lasts a long time 9.1 | Lasts a long time 9.4 |
Tech Specs | ||||||
item weight 7.5 kg | item weight - | item weight - | item weight 7.19 kg | item weight - | item weight 49.9 g | item weight 100 g |
product dimensions 34.6 x 34.6 x 38.5 cm 7.5 kg | product dimensions - | product dimensions - | product dimensions 29.8 x 29.8 x 38.5 cm 7.19 kg | product dimensions - | product dimensions - | product dimensions 50 x 50 x 50 cm 100 g |
color Silver, Black | color - | color White | color White | color - | color - | color White |
Item Package Quantity- | Item Package Quantity 1 | Item Package Quantity 1 | Item Package Quantity - | Item Package Quantity - | Item Package Quantity - | Item Package Quantity - |
special features Fast Heating | special features - | special features - | special features Fast Heating | special features - | special features - | special features IP25 water ingress protection, A energy rating, heats water on demand with smooth power selection |
Available On | 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
9.7
1AristonAriston 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 lasts a long time9.4 Easy installationWhy we love it
Durable titanium enamelled tank.
Energy-saving economy setting.
Precise temperature control.
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9.4
3Stiebel Eltron
Stiebel Eltron DCE-X 6/8 Premium Compact Instant Water Heater, Suitable for Showers, Maximum Energy Efficiency, Accurate Temperature delivery, 238158, 220240 V, White
9.6 lasts a long time9.3 Easy installationWhy we love it
Large, backlit multifunction display is easy to use
ECO mode is energy efficient
Compact instantaneous water heater is space
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.
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.
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.
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.
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.
