Best choice
CosWarm CW4 Central Heating Leak Sealer - Treats Up to 18 Radiators - Stops Leak - Boiler Leak Repair & Sealant - Stops Minor Leaks & Weeps, Fixes Pressure Loss & Leaking Pipes - Underfloor Heating
STOPS SMALL LEAKS & FIXES PRESSURE LOSS CW4 Leak Sealer seals all the small and inaccessible leaks, thus saving time and money in draining down and repairing cost. Our boiler leak sealant also helps in fixing pressure loss due to minor leaks from central heating systems.
£ 38.99 free delivery
Kudos-Trading - Sentinel X100 1L Central Heating Inhubitor Ultimate Protection from Limescale Buildup Rust Sludge Corrosion Compatible with All Boilers and Radiators 1 Liter Bottle
Extended Lifespan of Heating Systems Sentinel X100 inhibitor efficiently prevents corrosion and scale build-up, leading to a significant extension of your heating system's operational lifespan. Its unique formula ensures long-term protection and maintenance of system efficiency.
free delivery
30% discount
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
Quick and easy dosing of chemicals into central heating systems
£ 21.95
Everbuild P11 Central Heating System Cleanser, 1 Litre
Compatible with plastic tanks, micro bore and all metals (including aluminium) used in central heating systems.
free delivery
Sentinel X100 Inhibitor 500ml Prevents Limescale and Corrosion Super Concentrate Inhibitor for Central Heating Systems
Super concentrate Sentinel X100 central heating inhibitor - 500ml treats 100 litres of water
23% discount
Fernox 56599 F1 500 ml Central Heating Protector
Prevents Radiator Cold Spots
£ 24.78
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.
iLAN i-100 Inhibitor 1L - Heavy Duty Central Heating Protector | Prevents Corrosion & Limescale | Boosts Efficiency & System Lifespan
Industry-trusted inhibitor shields your central heating system against limescale buildup and corrosion. Leading boiler manufacturers recommend it for optimal performance and longevity.
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.
Recommendation
C100B Concentrated Inhibitor with Biocide 5L - Boiler Central Heating System
CONCENTRATED CENTRAL HEATING INHIBITOR
free delivery
Easy Dose It - Central Heating Radiator Dosing Tool Inhibitor Dosing Filling
Perfect Plumb
Fireproof Boiler Kit – 250g Tin – Seal Against Flue Gases When Used on Boiler Systems, Ovens, and Cookers
DURABLE AND EFFICIENT Water glass based non-fading formulation ensures durability and lasting protection.
free delivery
Plumb Bliss 15mm Scale Inhibitor
Advanced Scale Prevention This scale reducer utilises cutting-edge technology to prevent and reduce limescale formation. By treating the water flowing through the pipes, it inhibits the crystallisation process that leads to scale buildup, extending the lifespan of your plumbing system and appliances.
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
Quick and easy dosing of chemicals into central heating systems
free delivery
BWT Combi Care Polyphosphate Scale Inhibitor AC002100
Offers protection from corrosion
free delivery
10% discount
Sentinel - X100 Inhibitor 1L, Market Leading Heavy Duty Central Heating Inhibitor, Protection Against Corrosion and limescale, ensures Maximum Heating Efficiency and extends System Life, Clear (88000)
The industry standard inhibitor, providing protection for clean central heating systems against limescale and corrosion; recommended by all major boiler manufacturers
£ 14.99 free delivery
AMK® Fernox F1 Central Heating Protector 500ml Corrosion Limescale Protection Iinhibitor Boiler
Prevents Radiator Cold Spots
free delivery
Team Controls Electrolytic Inline Scale Reducer Inhibitor 15mm Compression x 10 Bulk Buy - Wras Approved
Service life - up to 10 years
free delivery
Plumbflex Central Heating Corrosion Inhibitor, 500ml Treats 100 litres
Adding Inhibitor prevents corrosion and the build up of hard water limescale precipitation and will help to prolong the life of the heating system
free delivery
H100 Central Heating Inhibitor (5L)
Chemical Superstore
free delivery
Sentinel X100 Inhibitor 1L Heavy Duty Central Heating Inhibitor, Protection Against Corrosion & Limescale, ensures Maximum Heating Efficiency and extends System Life - Hanicks
Suitable for hard, soft and artificially softened water
free delivery
Calmag SI Scale Inhibitor
Lifetime Guarantee
free delivery
Morris Ankorsol Fully Synthetic Corrosion Inhibitor for Central Heating/Cooling Systems
Morris Lubricants
free delivery
Corgi TRIPCON1-C Concentrated Buildcert Central Heating Inhibitor - Clear
Prevents corrosion and scale in indirect heating systems including those containing aluminium
free delivery
VEXO X-PO10 Central Heating Inhibitor - Treats up to 15 Radiators
High performance, non-toxic, environmentally friendly
Corgi TRIPCON1-C Concentrated Buildcert Central Heating Inhibitor - Clear
Prevents corrosion and scale in indirect heating systems including those containing aluminium
PRIMAFLOW Central Heating Inhibitor
Can be used with a power flush machine
free delivery
Adey CH1-03-01669 MC1+ Protector Liquid 500ml
Maintains heating efficiency
VITCAS 310ml Central Heating - Noise Silencer – Concentrate - Restores Heating Efficiency - Removes Scale - Flux Residue - Extends Boiler Life
DOSE THE BOILERS VITCAS Central Heating Boiler Noise Controller disturbs you when you are around the noisy boilers, but our boiler liquid can effectively solve this problem and restore the heating efficiency of your boilers.
free delivery
Sentinel X100 Inhibitor
Heavy Duty Inhibitor Provides robust protection against the buildup of limescale and corrosion, ensuring the longevity and reliability of your heating system.
free delivery
CosWarm CW1 Central Heating System Inhibitor & Protector - Treats Upto 18 Radiators - Rust, Limescale, Sludge & Corrosion Preventer & Protection Treatment Fluid for Boilers & Underfloor Heating
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.
free delivery
Flomasta Electrolytic Scale Inhibitor 22mm
Unknown
Flomasta Electrolytic Scale Inhibitor 15mm
Flomasta
BWT Combi Care Replacement Cartridges for Polyphosphate Scale Inhibitor AC002400
Recycable
free delivery
Boiler-m8 NeoCal Magnetic Hard Water Lime Scale Reducer Inhibitor 15mm
Less Maintenance The device has a high-quality brass construction with durable nickel plating, is small and simple to install in line with existing pipes, and requires no continuing maintenance.
Fernox F1 Express Central Heating Inhibitor & Protector 265ml by Fernox
Fernox F1 Express Central Heating Inhibitor & Protector 265ml
free delivery
Sentinel X100 Inhibitor 1L Protect Central Heating System Cleaner (Pack of 1)
Protects against limescale and corrosion
free delivery
15mm Scale Inhibitor for Central Heating Boiler or Whole Home Inline Electrolytic Limescale Reducer WRAS Approved 10 Year Guarentee 15mm Compression Fitting
Effective inline electrolytic limescale reducer for 15mm pipe
Everbuild P11 Central Heating System Inhibitor, 1 Litre & P11 Central Heating System Cleanser, 1 Litre
Product 2 Compatible with plastic tanks, micro bore and all metals (including aluminium) used in central heating systems.
9% discount
Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml
New, advanced and improved formula, super strength, rapid, powerful central heating cleaner for heavily contaminated, dirty systems; model number 62486
£ 27.44 free delivery
BWT Combi Care Replacement Cartridges for Polyphosphate Scale Inhibitor AC002400
Recycable
free delivery
Kudos-Trading - Fernox F1 Protector 500ml 56599 Protector F1 Central Heating and Water Underfloor Heating Corrosion Protection limescale Prevention System Efficiency Long-Lasting Protection
The product comes in a convenient 500ml bottle that can be added directly to your central heating system without the need for special equipment Fernox Protect F1 helps to extend the life of your central heating system, improve energy efficiency, and reduce the risk of costly breakdowns and repairs
free delivery
C100B Concentrated Inhibitor with Biocide 500ml - Boiler Central Heating System
CONCENTRATED CENTRAL HEATING INHIBITOR
free delivery
Adey CH1-03-01669 MC1+ Protector Liquid 500ml
Maintains heating efficiency
free delivery
Sentinel X100 Inhibitor Rapid-Dose 300ml, Market Leading Central Heating Inhibitor, Leave-in Protection Against Corrosion and limescale, ensures Maximum Efficiency, Quick dosing, Adapter Included
Sentinel X100 Inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage
free delivery
Team Controls Electrolytic Inline Scale Reducer Inhibitor 15mm Compression WRAS Approved
WRAS approved product
Plumbflex Central Heating Power Flush Treatment, 500ml Treats 100 litres
Plumbflex Power Flush is designed to restore circulation in central heating systems by removing corrosion and limescale deposits
H100 Central Heating Inhibitor (500ml)
Chemical Superstore
free delivery
PrimaTEC Central Heating Inhibitor 500ml
Inhibitor
free delivery
Boiler-m8 NeoCal Magnetic Hard Water Lime Scale Reducer Inhibitor 22mm
Less Maintenance The device has a high-quality brass construction with durable nickel plating, is small and simple to install in line with existing pipes, and requires no continuing maintenance.
Fernox F1 Express Central Heating Protector 13 fl oz (400ml) Genuine - Hanicks
Size 400ml
free delivery
Adey MC1 Heating Protector
Protects against corrosion and scale
£ 16.45 free delivery
Fernox F1 Protector Express 400ml - New Formulation Protects Against Corrosion and Limescale - 30 Sec Action - 62418
Maintains system efficiency and extends boiler life
free delivery
BWT Combi Care Polyphosphate Scale Inhibitor AC002100
Offers protection from corrosion
free delivery
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.
Ideal Preparation for Inhibitor Application Cleaning with X400 prepares the system for the subsequent application of inhibitors, ensuring the best possible protection against corrosion and scale in the future.
free delivery
Sentinel X100 Inhibitor Central Heating System
Sentinel
free delivery
Trade Chemicals Towel Radiator Inhibitor & Protector - Inhibitor & Protector
Helps maintain and improve radiator efficiency
Team Controls Electrolytic Inline Scale Reducer Inhibitor 15mm Compression x 5 - WRAS Approved
WRAS approved product
free delivery
PRIMAFLOW Central Heating Inhibitor- 1 Litre - Pack of 2
Dose via the feed and expansion tank or via a radiator as per BS 7593 2006. Can be used with a power flush machine
free delivery
BWT Combi Care Polyphosphate Scale Inhibitor AC002200
Offers protection from corrosion
free delivery
Boiler-m8 Central Heating Inhibitor Concentrate Fluid Prevents Corrosion and Lime Scale Improves Efficiency and System Life Pack of 12 500ml
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.
free delivery
Central Heating Protector fernox F9 with Filter Fluid, Central Heating Inhibitor, Enhanced pH Protection, Treats 130L, up to 250m2
Must be used only in conjunction with a system filter provides premium protection against corrosion and scale in mixed metal heating and cooling systems, including aluminium Designed to be left in the system permanently. Treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems. Prevents scale and corrosion formation
free delivery
Kudos-Trading - Fernox F2 Boiler Noise Silencer Fluid for Central Heating Reduces System Noises 500ml Compatible with F1 Protect Instantly Quietens Noisy Central Heating Systems.
Reduces boiler noise and improves efficiency Fernox F2 Boiler Noise Silencer works by dampening vibrations and minimizing the noise produced by boilers. The product also increases the efficiency of the heating system by reducing heat loss and improving heat transfer in radiators and pipework.
free delivery
BWT Combi Care Polyphosphate Scale Inhibitor AC002200
Offers protection from corrosion
free delivery
Everad - 500ml Concentrated System Silencer Cartridge for Heating System, Boilers & Radiators - Shock Absorber Noise Reducer Formulation - Easy to Apply & Works Instantly - Non Toxic
HIGH PERFORMANCE A specifically formulated liquid for noisy boilers and banging radiators. Helps to reduce unwanted noise by its shock absorbent formulation, it's easy to apply and starts to work instantly. Simply apply via header tank or radiator.
Everbuild P14 Central Heating System Inhibitor, 1 Litre
Compatible with plastic and fibreglass header tanks and with all metals used in central heating systems including iron, copper, steel, brass and aluminium
free delivery
Central Heating System Inhibitor (500ML) Treats 100L System C100
Inhibits corrosion, scale, hydrogen gassing, microbiological growth and boiler noise.
Everbuild Hot Water System Electrolytic Scale Inhibitor, 15mm Compression
High performance easy to use device that actively inhibits the binding of molecules that create limescale
free delivery
Team Controls Central Heating System Inhibitor & Cleaner Cleanser Liquid Chemical Pack TC-CP
Improves System Efficiency. Prevents corrosion and scale in Heating systems.
free delivery
Boiler-m8 Defender-2 28mm Magnetic Boiler Filter Central Heating Inhibitor and Cleaner Concentrate Pack Fluid Prevents Corrosion and Lime Scale Improves Heating Efficiency
Concentrated Liquid This extremely concentrated inhibitor was created to treat bigger systems up to 100L (approx 10 radiators). Our liquid inhibitor contains a content that prevents corrosion and scaling and reduce noise.
free delivery
Fernox 62514 Express Inhibitor Test
Test App available
free delivery
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
free delivery
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.
Calmag SI Scale Inhibitor
Lifetime Guarantee
free delivery
SENTINEL X100 CENTRAL HEATING SCALE INHIBITOR, Volume: 1LTR
This keeps the inside of your heating system very clean
free delivery
Concentrated Leak Sealer 500ml - Boiler Central Heating System (C500)
Concentrate - treats a standard heating system up to 100L
free delivery
Sentinel X100 Rapid Dose Central Heating Scale Inhibitor 300ml
Sentinel
free delivery
Boiler-m8 Defender-2 22mm Magnetic Boiler Filter Central Heating Inhibitor and Cleaner Concentrate Pack Fluid Prevents Corrosion and Lime Scale Improves Heating Efficiency
LimeScale Inhibitor An affordable anti-scale water treatment system that uses a non-chemical method rather than chemicals to stop the build-up of hard scale deposits caused by the heating process. Reduces the risk of damaging scale deposits on your boiler's heat exchanger and other key components.
free delivery
Fernox Boiler Noise Silencer F2-500ml
Fernox Boiler Noise Silencer F2-500ml
free delivery
Concentrated Sludge Remover 500ml - Boiler Central Heating System (C400)
500ml Concentrate - treats a standard heating system up to 100L
free delivery
Boiler-m8 Defender-2 22mm Magnetic Boiler Filter Central Heating Inhibitor and Cleaner Concentrate Pack Fluid Prevents Corrosion and Lime Scale Improves Heating Efficiency
Concentrated Liquid This extremely concentrated inhibitor was created to treat bigger systems up to 100L (approx 10 radiators). Our liquid inhibitor contains a content that prevents corrosion and scaling and reduce noise.
free delivery
Fernox Central Heating Boiler Noise Silencer F2 500ml
Compatible with all metals and materials commonly used in central heating systems
free delivery
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.
Sentinel SESI 15mm
Size 15mm
Central Heating Inhibitor - Super Concentrated 5L C100+
SUPER CONCENTRATED CENTRAL HEATING INHIBITOR
free delivery
Sentinel SESI 15mm
Size 15mm
free delivery
Boiler-m8 Central Heating Magnetic Boiler Filter and 22 mm Valve for Sludge Removal with Concentrate Inhibitor Fluid Prevents Corrosion Limescale
Effective Debris removal An inhibitor for central heating aids in preventing internal corrosion in the various heating system components while magnetic boiler filter offers your heating system defence by cutting-edge technology, including our 2-way 360 degree diverter, high capacity EZY-Clean magnet, and Watertight twin-seal design.
free delivery
FERNOX F2 Boiler Noise Silencer -500ml - Pack of 2
Compatible with all metals and materials commonly used in central heating systems
free delivery
C100S Central Heating Super Inhibitor 500ml
SUPER CONCENTRATED CENTRAL HEATING INHIBITOR
free delivery
Sentinel - X800 Fast Acting Cleaner 1L, targeted central heating system cleaning inside an hour, restores system efficiency by targeting corrosion debris, ideal for hot and cold systems
Ideal for powerflushing, also works in cold systems
£ 13.99 free delivery
Corrosion inhibitor and Entartrage Sentinel/1 litre Bottle
Sentinel
Boiler-m8 Central Heating System Health Cleaner Concentrate Sludge and Limescale Removal Fluid 500ml
Efficient Debris Removal Sludge and limescale deposits from the walls of radiators and pipes can be cleaned and removed with the help of this heating systems cleaning solution, which is intended for professional use.
free delivery
10% discount
FERNOX Central Heating Leak Sealer F4 Express 400ml - Fast Results - 30 sec - (Replacement 58232)
Item comes with 3 nozzles for application
£ 27.69 free delivery
Everbuild P14 Central Heating System Inhibitor, 1 Litre
Compatible with plastic and fibreglass header tanks and with all metals used in central heating systems including iron, copper, steel, brass and aluminium
Concentrated Cleanser - Boiler Central Heating System Protector (A300)
1L Concentrate - treats a standard heating system up to 100L
free delivery
Everbuild P11 Central Heating System Cleanser, 1 Litre
Compatible with plastic tanks, micro bore and all metals (including aluminium) used in central heating systems.
free delivery
Fernox F1 Express Central Heating Inhibitor & Protector 265ml
Brand Fernox
free delivery
VITCAS 310ml Central Heating System Inhibitor - Prolongs Boiler Life – Compatible – for Indirect Systems - Easy to Use – Prevents Sludge – Scale – Corrosion – Multipurpose Treatment - Concentrate
DLA INSTALACJI PO REDNICH Inhibitor systemu jest zalecany do system w matowo po rednich i nie zawiera r wnie oleju mineralnego.
Everbuild P14INHIC3 P14 Concentrate System Inhibitor C3
BuildCert Performance Standard
free delivery
Fernox 56599 500ml F1 Protector
Protects against corrosion and limescale in central heating systems
free delivery
PRIMAFLOW Central Heating Inhibitor- 1 Litre - Pack of 5
Can be used with a power flush machine
Fernox 56599 F1 500 ml Central Heating Protector by Fernox
Fernox 56599 F1 500 ml Central Heating Protector
free delivery
Fernox Central Heating Cleaner F3 Express 400ml
Quick, convenient and simple to use doses in 30 seconds
free delivery
FERNOX Central Heating Leak Sealer F4 Express 400ml - Fast Results - 30 sec - (Replacement 58232)
Item comes with 3 nozzles for application
free delivery
Trappex Electrolytic Scale Reducer Inhibitor, 22mm Compresson, in-line Water Treatment
APPLICATIONS Protects multiple household fixtures including boilers, kettles, washing machines and shower heads from scale build-up
Sentinel X100 Inhibitor 1L Protect Central Heating System Cleaner (Pack of 2)
Fernox F2 Superconcentrate Boiler Noise Silencer 290ml
Flomasta Electrolytic Scale Inhibitor 22mm
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.
Thermoboost Cartridge - 275ml - Energy Saving Heating Additive for Heating Systems & Radiators - Speeds Up Heating Time - Non Hazardous & Environmentally Safe - Reduces Heating Bills
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.
Flomasta Central Heating Inhibitor 500ml
Fernox 8541998866
Fernox inhibitor f1 is added via the radiator air vent
free delivery
15mm Scale Inhibitor for Central Heating Boiler or Whole Home Inline Electrolytic Limescale Reducer WRAS Approved 10 Year Guarentee 15mm Compression Fitting-H&V
Effective inline electrolytic limescale reducer for 15mm pipe Can be used to protect an appliance such as a boiler or fitted to the incoming mains to protect the whole home 15mm compression fitting 10 year maintanance-free life and warranty WRAS approved
free delivery
Fernox F1 Protector Express 400ml - New Formulation Protects Against Corrosion and Limescale - 30 Sec Action - 62418
Maintains system efficiency and extends boiler life
free delivery
Corgi TRIPX001-C Buildcert Central Heating Inhibitor - Clear
Prevents corrosion and scale in indirect heating systems including those containing aluminium
Fernox Central Heating Cleaner F3 Express 400ml
Quick, convenient and simple to use doses in 30 seconds
free delivery