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The best heating oil additive in comparison

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Everbuild P14 Central Heating System Inhibitor, 1 Litre

Everbuild

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Compatible with plastic and fibreglass header tanks and with all metals used in central heating systems including iron, copper, steel, brass and aluminium
Suitable for microbore systems constructed from plastic pipes
1 litre will treat systems with up to 10 radiators

£ 12.50

£ 13.95

£ 16.61

£ 17.27

£ 21.60

Fernox 56599 F1 500 ml Central Heating Protector

Fernox

27% off

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Prevents Radiator Cold Spots
Prevents Sticking Pumps

Kudos-Trading - Sentinel X800 1H Cleaner Powerful & Fast Acting Cleaning Formula for Heating Systems Removes Deposits & Sludge Enhanced Performance & Efficiency of Your Heating System

Kudos-Trading

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Rapid Cleaning Action in Just One Hour Sentinel X800 1h Cleaner is uniquely formulated to deliver a thorough cleaning of heating systems in just one hour, making it ideal for quick and effective maintenance.
Suitable for All Types of Heating Systems Its versatile composition ensures compatibility with all types of heating systems, including those with aluminum components, offering a universal solution for system cleaning.
Ideal Preparation for Inhibitor Application Cleaning with X800 prepares the system for the subsequent application of inhibitors, ensuring the best possible protection against corrosion and scale.
Environmentally Friendly and Biodegradable Formula The cleaner is formulated with environmentally responsible, biodegradable ingredients, aligning with eco-friendly practices and safe disposal.
Easy to Apply in Both Pressurized and Open-Vented Systems Designed for easy use, the product can be applied in both pressurized and open-vented systems, suitable for professional and DIY applications.
Trusted by Professionals for Quick and Effective Cleaning Sentinel X800 1h Cleaner is recommended by heating system professionals for its quick action and effectiveness, ensuring reliable and efficient system cleaning.

Recommendation

CosWarm CW1 Central Heating System Inhibitor & Protector - Treats Upto 18 Radiators - Rust, Limescale, Sludge & Corrosion Preventer & Protection Treatment Fluid for Boilers & Underfloor Heating

CosWarm

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EXTEND THE LIFE OF YOUR BOILERS with CosWarm CW1 boiler corrosion inhibitor and rust prevention liquid. This revolutionary formula protects your system from scale formation, corrosion buildup and provides continuous protection. It stops frequent venting of radiators and ensures long-lasting and smooth working of boilers.
SUITABLE FOR EXISTING & NEW HEATER SYSTEMS CosWarm CW1 steam boiler inhibitor for central heating can be used for all types of boiler, radiators and pipework systems. Our boiler limescale and rust preventer is compatible with all metals and materials (including aluminium) commonly used in central heating systems.
NON-TOXIC & BIODEGRADABLE With CosWarm CW1 central heating inhibitors, power meets green. The biodegradable formula is safe for your boilers as well as the Earth. Our boiler rust and corrosion inhibitor is non-toxic and is safer to use around pipes, people and the environment than other toxic and acidic boiler inhibitors.
SUPER CONCENTRATED FORMULA Our highly concentrated radiator inhibitor fluid treats much more and requires no secondary containment for it to work. 500 ml of CosWarm CW1 heating system inhibitor can treat up to 18 single radiators (150-litre system).
NSF CERTIFIED FOR SAFETY Millions of customers take it as a mark of quality assurance because every aspect of a product s development is thoroughly evaluated by one of today s most respected independent product testing organisations.

HYDRA VULCAN Heating oil additive, 250ml treats up to 1,250 litres, additive for kerosene, additive for heating oil, heating oil for home additive, additive for kerosene

HYDRA

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ADDITIVE FOR HEATING OIL & KEROSENE Contains heavy duty detergents designed for heating oils and kerosene used as boiler fuel, will rapidly clean injectors and burners down to molecular levels.
HEATING OIL ADDITIVE Stabilises fuel by dissolving sludge in fuel tanks and Hydra Vulcan's dispersants help prevent it from reforming.
MAKES PREMIUM KEROSENE Turns normal heating oil kerosene heating oil into premium kerosene premium domestic heating oil this helps to reduce fuel consumption.
USE WITH ALL DOMESTIC HEATING OIL For all boilers 250ml treats Up To 1,250 litre

Clearell 20L | Pack of 4 x 5L | Premium Quality Kerosene Paraffin Heater Heating Oil Fuel | Compliant to BS2869C2 (5 Litres x 4 | 20 Litres)

Clearell

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KEROSENE 28 KEROSINE 28 - Kerosine Heating Oil, suitable for a variety of applications, including heating and lighting. Long Shelf life and is not prone to evaporation.
CLEAN BURNING - It is clean-burning, low sulphur, high smoke point, producing relatively low levels of emissions when compared to other fossil fuels. Overall, kerosene is an amazing and versatile.
FULLY COMPLIANT - Refined to BS2869C2 (Class 2). Fully compliant to UN 1223 snf EC No 294-799-5. It is cruelty free and high grade product from a fully regulated supply.
MULTI SIZES - Clearell Kerosene comes in multiple sizes cans for ease of use. The Kerosene is extremely flammable, always read the manufacturer s instructions. Please follow instructions recommended by original manufacturers of equipment.

Central Heating System Inhibitor (500ML) Treats 100L System C100

Trade Chemicals

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Inhibits corrosion, scale, hydrogen gassing, microbiological growth and boiler noise.
For larger systems use a larger version C100 - over-dosing will not cause any detrimental effects to the system

Endotherm Energy Saving Additive for Central Heating Systems - 500ML

EndoTherm

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9,5

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Suitable for ANY wet heating system

Boiler-m8 Central Heating Inhibitor Concentrate Fluid Prevents Corrosion and Lime Scale Improves Efficiency and System Life Pack of 12 500ml

Boiler-m8

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Improves System Efficiency The inhibitor contributes to the efficient and smooth operation of the boiler and increases boiler life. It prevents corrosion and the build-up of hard water limescale precipitation and will help to prolong the life of the heating system.
Concentrated Liquid This extremely concentrated inhibitor was created to treat systems up to 100L (approximately 10 radiators. Inhibits corrosion, scale, hydrogen gassing, microbiological growth and boiler noise.
How to use Add this treatment to your system via a partially drained radiator, flush machine, filling kit, expansion tank, or directly into your Boiler-m8 Defender or Ultimate system filter. Shake the bottle well and use the entire contents of the bottle.

Thermoboost TB500-500ml Energy Saving Heating Additive for Heating Systems & Radiators - Speeds Up Heating Time - Easy to Apply - Non Hazardous & Environmentally Safe - Reduces Heating Bills

Generic

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MONEY BACK GUARANTEE We are 100% confident you will love our product but in the unlikely event you're not completely happy with your purchase we will provide you with a full refund in accordance with Amazon terms.
CAN BE USED WITH It may be used on its own or with our Everad Corrosion Inhibitor, Everad Descale & Sludge Dispersant, Everad Concentrated Cleanser, Everad Concentrated Leak Sealer & Everad Concentrated System Silencer all of which will increase the efficiency and life of your heating system.
SAFE TO USE Our modern, safe and environmentally safe energy saving formulation provides a combination of gentle properties which will not harm or damage your heating system and radiators like other energy saving brands.
UK MANUFACTURED Made in the UK using only the best ingredients making it fast acting and long lasting. Works with all water based heating systems.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

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Trident - Central Heating Inhibitor - 500ml - Protection Against Corrosion & Limescale - Maximum Efficiency and Longer System Life

Suitable for use in all types of indirect systems including aluminium based.

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Classic Valvemaster Plus

Classic Valvemaster

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PrimaTEC Central Heating Inhibitor 500ml

Inhibitor

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SENTINEL X100 CENTRAL HEATING SCALE INHIBITOR, Volume: 1LTR

This keeps the inside of your heating system very clean

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VITCAS 1 liters Central Heating System Inhibitor - Prolongs Boiler Life – Compatible – For Indirect Systems - Easy To Use – Prevents Sludge – Scale – Corrosion – Multipurpose Treatment

FOR INDIRECT SYSTEMS The system inhibitor is recommended for dully indirect systems, and it is free from mineral oil as well.

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Hinton Central Heating Inhibitor 1L | System Protector with TripleTech Anti-Corrosion Technology | Prevents Limescale & Rust | Boosts Efficiency & Lifespan | for Builders, Plumbing & Heating Systems

Size 1 Litre

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CosWarm CW3 Central Heating System Cleaner | Treats Up To18 Radiators | Boiler, Radiator & Pipe System Cleaning & Descaling Solution | Cleans & Removes Rust, Debris, Scale, Sludge | Underfloor

EFFECTIVE CLEANSING OF CENTRAL HEATING SYSTEM Regular cleaning of heating systems can prevent it from damage. Use CosWarm CW3 boiler cleaner to effectively remove scale, sludge and debris and retain the heating efficiency of your heating systems.

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Clearell 20L | Pack of 1 | Premium Quality Kerosene Paraffin Heater Heating Oil Fuel | Compliant to BS2869C2 (20 Litres)

KEROSENE KEROSINE 28 - Kerosine Heating Oil, suitable for a variety of applications, including heating and lighting. Long Shelf life and is not prone to evaporation.

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Boiler-m8 Central Heating Inhibitor Concentrate Fluid Prevents Corrosion and Lime Scale Improves Heating Efficiency and System Life 500ml

Restore Heating System Inhibitor is essential for protecting hot water heating systems and maintaining operational efficiency. Systems should be treated via a partially drained radiator, powered flushing machine or through the feed and expansion tank. After treatment, bleed radiators to remove trapped air.

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Kudos-Trading - Fernox F1 Protector 265ml 62454 Protector F1 Central Heating and Water Underfloor Heating Corrosion Protection limescale Prevention System Efficiency Long-Lasting Protection

Fernox Protect F1 is a central heating system inhibitor that prevents corrosion and limescale buildup. It is suitable for use in all types of central heating systems, including those with nonferrous metals.

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VITCAS 310ml Central Heating - Leak Sealer – Concentrate - Accelerates Cleaning – Restores Heating Efficiency - Removes Scale - Flux Residue - Extends Boiler Life

CAN BE USED FOR INACCESSIBLE LEAKS Use it for sealing small inaccessible leaks and weeping joints in central heating systems. This sealer will not block the pump, valves or air vents. A soft seal will form after 1-24 hours of entering the primary circuit. Leak Sealer is compatible with all other water treatment products.

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Everbuild P11 Central Heating System Cleanser, 1 Litre

Compatible with plastic tanks, micro bore and all metals (including aluminium) used in central heating systems.

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The best heating oil additive in comparison

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