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Sludge Remover Fernox Comparison - August 2025

7 Best Sludge Remover Fernox In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.4Excellent
4
9.3Excellent
5
Best Value
9.2Excellent
6
9.0Excellent
7
8.9Very Good
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Model

Fernox Tf1 Total Magnetic Filter 28Mm Central Heating Sludge Remover Bnib
Model
Kudos-Trading - Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml Boiler Protection Cleaner
Model
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
Model
Kudos-Trading - Sentinel X800 1H Cleaner Powerful & Fast Acting Cleaning Formula for Heating Systems Removes Deposits & Sludge Enhanced Performance & Efficiency of Your Heating System
Model
Fernox 56600 500ml F3 Cleaner
Model
Kudos Trading - Sentinel X400 Sludge Remover Cleaner Boost Heating System Efficiency, Prevent Rust & Corrosion Easy to Use Formula for Cleaner Pipes & Radiators 1 Liter Bottle.
Model
Fernox Tf1 Sigma Filter 22 Mm Central Heating Magnetic Sludge Remover in-Line System Water Radiator Boiler Cleaner

Brand

Fernox
Brand
Kudos-Trading
Brand
SPI
Brand
Kudos-Trading
Brand
Fernox
Brand
Kudos-Trading
Brand
Fernox

Reviews

60 reviews
Reviews
16 reviews
Reviews
5,932 reviews
Reviews
44 reviews
Reviews
2,980 reviews
Reviews
4 reviews
Reviews
-

Tech Specs

Item Weight

1.72 kg
Item Weight
-
Item Weight
-
Item Weight
-
Item Weight
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Item Weight
-
Item Weight
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batteries included

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

batteries required

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

Package Dimensions

23.4 x 18 x 17 cm 1.72 Kilograms
Package Dimensions
-
Package Dimensions
-
Package Dimensions
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Package Dimensions
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Package Dimensions
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Package Dimensions
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item package quantity

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

customer reviews

-
customer reviews
-
customer reviews
4.6 4.6 out of 5 stars 1, 483 ratings 4.6 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 11 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 745 ratings 4.5 out of 5 stars
customer reviews
4.0 4.0 out of 5 stars 1 rating 4.0 out of 5 stars
customer reviews
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product dimensions

-
product dimensions
4.8 x 9 x 17.9 cm 633 g
product dimensions
-
product dimensions
13.5 x 6.5 x 19 cm 1.15 kg
product dimensions
-
product dimensions
13.5 x 6.5 x 19 cm 1.2 kg
product dimensions
-

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
  • 9.8
    1
    Fernox Tf1 Total Magnetic Filter 28Mm Central Heating Sludge Remover Bnib
    Fernox

    Fernox Tf1 Total Magnetic Filter 28Mm Central Heating Sludge Remover Bnib

    Main highlights
    • Product type: HVAC AIR FILTER
    • Fernox Tf1 Total Magnetic Filter 28Mm Central Heating Sludge Remover Bnib
    • Brand: Fernox
  • 9.7
    2
    Kudos-Trading

    Kudos-Trading - Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml Boiler Protection Cleaner

    Why we love it

    Easy to use for DIY enthusiasts.
    Fast-acting formula delivers quick results.
    Compatible with all system materials.
    Main highlights
    • Rapid results: With a fast-acting formula, Fernox F8 Cleaner works quickly to deliver noticeable improvements in system performance, usually within as little as one hour of circulation.
    • Power Cleaner F8 is supplied in 500 ml bottles. Keep out of reach of children. Do not mix with other chemicals. For further safety information, consult the Safety Data Sheet (sds) Removes sludge, limescale and corrosion debris Non-acidic (pH neutral), non-toxic & non-foaming
    • Non-foaming, faster to flush from system, easy to use; system can operate normally during the cleaning process. It accelerates all cleaning processes; powerflush, manual and magnetic flush. Removes dirt, limescale and other installation and corrosion debris, compatible with all metals and materials, including aluminium.
    • New, advanced and improved formula, super strength, rapid, powerful central heating cleaner for heavily contaminated, dirty systems. Strong, citric acid cleaner to restore efficiency; delivers rapid results.
    • Inhibitor-friendly: Designed to work in conjunction with Fernox Protector F1, Fernox F8 Cleaner ensures your central heating system remains clean and efficient while also benefiting from long-term protection.
    • Eliminates radiator cold spots and system noise, treating up to 130L One bottle treats up to 130 litres, 16 radiators and 250 sqm of underfloor heating which covers 97% of Uk homes
    • Easy to use and apply: Fernox F8 Cleaner can be added to the system via a radiator, filling loop, or a Fernox Tf1 filter, making it simple for both professionals and DIY enthusiasts to use.
    • Concentrated solution for cost-effective treatment: One 500ml bottle of Fernox F8 Cleaner is sufficient to treat an average-sized domestic central heating system, offering a cost-effective solution to maintain system efficiency.
    • Compatible with all metals and materials: Safe to use with any central heating system, Fernox F8 Cleaner is compatible with all metals, including aluminum, and a wide range of materials such as plastics and rubber.
    • Citrate-based cleaner for use in heavily contaminated systems in accordance with bs 7593:2019, Fast-acting; accelerates all cleaning processes including powerflushing, manual and magnetic flushes
  • 9.4
    3
    SPI
    31% Off

    QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System

    Why we love it

    Quick and easy chemical dosing.
    Suitable for various heating chemicals.
    Fast operation saves time.
    Main highlights
    • Suitable for use with inhibitors, sludge removers or anti-freeze
    • Quick and easy dosing of chemicals into central heating systems
    • Gravity-fed dosing method for effortless and accurate chemical introduction
    • Dose a System with up to 1 Litre of Inhibitor, Antifreeze or sludge remover in under 17 Seconds
    • Compatibility: 1/2" BSP radiator tappings

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.