Best Central Heating Systems Accessories of 2025

Last updated on 02/11/2025
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Choice
1
Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TSFILTER
Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TSFILTER
KOMIRO
Why we love it
  • Full bore valves included.
  • Efficient central heating protection.
  • Durable metal handle design.
Main Highlights
  • Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle Team Supplies TSFILTER
  • Brand : KOMIRO
  • Product type: HVAC AIR FILTER
  • 1 Count Pack of 1
  • handle valves heating tsfilter
Show More
9.8
Exceptional
9.8
Exceptional
KOMIRO
Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TSFILTER
Why we love it
  • Full bore valves included.
  • Efficient central heating protection.
  • Durable metal handle design.
Main Highlights
  • Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle Team Supplies TSFILTER
  • Brand : KOMIRO
  • Product type: HVAC AIR FILTER
  • 1 Count Pack of 1
  • handle valves heating tsfilter
Show More
Value for Money
2
DB 5300 Central Heating System Freeze & Corrosion Protection – Long Lasting Antifreeze & Corrosion Inhibitor for Boilers, Radiators & Heating Systems – Professional Grade Protection 5 Litre
DB 5300 Central Heating System Freeze & Corrosion Protection – Long Lasting Antifreeze & Corrosion Inhibitor for Boilers, Radiators & Heating Systems – Professional Grade Protection 5 Litre
Chemiphase
Free Shipping
Why we love it
  • Advanced freeze and corrosion protection.
  • Prevents costly damage and repairs.
  • Trusted by heating professionals.
Main Highlights
  • Complete Heating System Protection – DB 5300 provides advanced freeze and corrosion protection for boilers, radiators, and pipework, ensuring your central heating runs efficiently all year round.
  • Prevents Costly Damage – Protects against frozen pipes, rust, and scale build-up, extending the lifespan of your entire heating system and helping to avoid expensive repairs.
  • Professional Strength Formula – Trusted by heating engineers, this high-performance antifreeze and corrosion inhibitor delivers long-lasting protection even in harsh winter conditions.
  • Safe & Compatible – Suitable for use with all types of central heating systems, including mixed metal radiators, aluminium components, and modern condensing boilers.
  • Easy to Use – Simply add to the central heating system water for instant protection. Clear dosage instructions included for hassle-free application.
Show More
9.7
Exceptional
9.7
Exceptional
Chemiphase
DB 5300 Central Heating System Freeze & Corrosion Protection – Long Lasting Antifreeze & Corrosion Inhibitor for Boilers, Radiators & Heating Systems – Professional Grade Protection 5 Litre
Free Shipping
Why we love it
  • Advanced freeze and corrosion protection.
  • Prevents costly damage and repairs.
  • Trusted by heating professionals.
Main Highlights
  • Complete Heating System Protection – DB 5300 provides advanced freeze and corrosion protection for boilers, radiators, and pipework, ensuring your central heating runs efficiently all year round.
  • Prevents Costly Damage – Protects against frozen pipes, rust, and scale build-up, extending the lifespan of your entire heating system and helping to avoid expensive repairs.
  • Professional Strength Formula – Trusted by heating engineers, this high-performance antifreeze and corrosion inhibitor delivers long-lasting protection even in harsh winter conditions.
  • Safe & Compatible – Suitable for use with all types of central heating systems, including mixed metal radiators, aluminium components, and modern condensing boilers.
  • Easy to Use – Simply add to the central heating system water for instant protection. Clear dosage instructions included for hassle-free application.
Show More
3
M30x1.5 Underfloor Heating Manifold Return Pin Valve Core for UFH Actuator Water Distributor Central Heating Systems Accessories(10pcs)
M30x1.5 Underfloor Heating Manifold Return Pin Valve Core for UFH Actuator Water Distributor Central Heating Systems Accessories(10pcs)
Puupaa
9.5
Superb
9.5
Superb
Puupaa
M30x1.5 Underfloor Heating Manifold Return Pin Valve Core for UFH Actuator Water Distributor Central Heating Systems Accessories(10pcs)
4
VANCOCO Anthracite Grey Thermostatic Radiator Valves 15mm (TRV) with Lockshield, 1/2"×15mm Angled Radiator Thermostat Valve, H62 Brass, Energy Saving Modern TRV for Central Heating Syetem
VANCOCO Anthracite Grey Thermostatic Radiator Valves 15mm (TRV) with Lockshield, 1/2"×15mm Angled Radiator Thermostat Valve, H62 Brass, Energy Saving Modern TRV for Central Heating Syetem
VANCOCO
Free Shipping
Why we love it
  • Excellent wear resistance and durability.
  • Six-level temperature modulation available.
  • Fits most UK radiators.
Main Highlights
  • 【RESISTANCE & DURABILITY】We have carefully upgraded the surface of our products, using advanced technology, with excellent wear resistance and durability, and they will still look like new after long-term use. Ensure that every inch of the surface presents an eye-catching and delicate texture. The upgraded surface treatment not only improves the appearance quality, but also demonstrates our insistence on quality and provides you with a better user experience
  • 【WHAT YOU WILL GET】You will receive Anthracite Thermostatic Radiator Valve with Lockshield. The TRV head is made of outstanding alloy and plastic material with fine workmanship, which is durable and practical to use. Vancoco valves work by regulating the flow of fluid to maintain a desired temperature
  • 【6-LEVEL MODULATION】The thermostatic radiator has 6 settings for a more comfortable and balanced ambient temperature, reducing heating bills. Freeze protection available. Vancoco TRV can easily adjust the room temperature. Efficient for users
  • 【INDIVIDUAL ROOM HEATING】When there is no one in the room for a long time, the user can close the trv of the radiator in the room, which can play the role of division heating. They are handy for novice. Easy to install. You can easily provide room-by-room zone control without having to run any wires
  • 【WARMER LIFE】 Digital logo, marked with numbers, can control the temperature more accurately. Alloy material, feel more comfortable. The environment outside is very cold, but the room is very warm.They provide excellent comfort control in hydronic heating systems. Vancoco TRV provides you with a comfortable and warm living environment
  • 【WIDE APPLICATION】The radiator thermostatic valve with 1/2" threaded connection can be used for towel racks, column radiators, panel central heating radiators, vertical flat tube radiators. Pay attention to size
Show More
9.3
Superb
9.3
Superb
VANCOCO
VANCOCO Anthracite Grey Thermostatic Radiator Valves 15mm (TRV) with Lockshield, 1/2"×15mm Angled Radiator Thermostat Valve, H62 Brass, Energy Saving Modern TRV for Central Heating Syetem
Free Shipping
Why we love it
  • Excellent wear resistance and durability.
  • Six-level temperature modulation available.
  • Fits most UK radiators.
Main Highlights
  • 【RESISTANCE & DURABILITY】We have carefully upgraded the surface of our products, using advanced technology, with excellent wear resistance and durability, and they will still look like new after long-term use. Ensure that every inch of the surface presents an eye-catching and delicate texture. The upgraded surface treatment not only improves the appearance quality, but also demonstrates our insistence on quality and provides you with a better user experience
  • 【WHAT YOU WILL GET】You will receive Anthracite Thermostatic Radiator Valve with Lockshield. The TRV head is made of outstanding alloy and plastic material with fine workmanship, which is durable and practical to use. Vancoco valves work by regulating the flow of fluid to maintain a desired temperature
  • 【6-LEVEL MODULATION】The thermostatic radiator has 6 settings for a more comfortable and balanced ambient temperature, reducing heating bills. Freeze protection available. Vancoco TRV can easily adjust the room temperature. Efficient for users
  • 【INDIVIDUAL ROOM HEATING】When there is no one in the room for a long time, the user can close the trv of the radiator in the room, which can play the role of division heating. They are handy for novice. Easy to install. You can easily provide room-by-room zone control without having to run any wires
  • 【WARMER LIFE】 Digital logo, marked with numbers, can control the temperature more accurately. Alloy material, feel more comfortable. The environment outside is very cold, but the room is very warm.They provide excellent comfort control in hydronic heating systems. Vancoco TRV provides you with a comfortable and warm living environment
  • 【WIDE APPLICATION】The radiator thermostatic valve with 1/2" threaded connection can be used for towel racks, column radiators, panel central heating radiators, vertical flat tube radiators. Pay attention to size
Show More
5
CosWarm CW2 Central Heating System & Boiler Silencer – Treats Up to 18 Radiators - Radiator Noise Reducer – Reduces Boiler Noise - Underfloor heating
CosWarm CW2 Central Heating System & Boiler Silencer – Treats Up to 18 Radiators - Radiator Noise Reducer – Reduces Boiler Noise - Underfloor heating
CosWarm
Free Shipping
Why we love it
  • Quiets noisy boilers effectively.
  • Extensive compatibility boosts versatility.
  • Eco-friendly and safe formula.
Main Highlights
  • SHHHH…DOSE YOUR BOILERS with CosWarm CW2 Boiler Silencer. It isn’t very pleasant to be around noisy boilers, but our boiler liquid can effectively solve this problem and restore the heating efficiency of your boilers and radiators.
  • GIVE YOUR BOILER SOME TLC: It is crucial that you don’t take a noisy boiler for granted and immediately remedy it with our boiler noise reducer. Our leave-in treatment is a gentle yet highly effective solution that eliminates boiler noise and keeps your boiler bubbling and healthy always.
  • SUPER CONCENTRATED & FAST-ACTING FORMULA: Our boiler and central heating system noise silencer can treat up to 18 individual radiators, i.e., a 150-litre system. This ensures that this bottle will go a long way in curing the boilers.
  • WIDE COMPATIBILITY: Our boiler noise silencer can be used with most domestic boilers, radiators, pipes and heating systems. It is also compatible to use around metals most commonly found in the heating systems, including aluminium.
  • SAFE FOR YOU, THE BOILERS & THE ENVIRONMENT: Our non-toxic and non-acidic radiator silencer is a safer alternative and can be used worry-free around people, the environment and in your heating systems. As this central heating silencer liquid is biodegradable, it won’t harm Mother Nature either.
Show More
9.1
Superb
9.1
Superb
CosWarm
CosWarm CW2 Central Heating System & Boiler Silencer – Treats Up to 18 Radiators - Radiator Noise Reducer – Reduces Boiler Noise - Underfloor heating
Free Shipping
Why we love it
  • Quiets noisy boilers effectively.
  • Extensive compatibility boosts versatility.
  • Eco-friendly and safe formula.
Main Highlights
  • SHHHH…DOSE YOUR BOILERS with CosWarm CW2 Boiler Silencer. It isn’t very pleasant to be around noisy boilers, but our boiler liquid can effectively solve this problem and restore the heating efficiency of your boilers and radiators.
  • GIVE YOUR BOILER SOME TLC: It is crucial that you don’t take a noisy boiler for granted and immediately remedy it with our boiler noise reducer. Our leave-in treatment is a gentle yet highly effective solution that eliminates boiler noise and keeps your boiler bubbling and healthy always.
  • SUPER CONCENTRATED & FAST-ACTING FORMULA: Our boiler and central heating system noise silencer can treat up to 18 individual radiators, i.e., a 150-litre system. This ensures that this bottle will go a long way in curing the boilers.
  • WIDE COMPATIBILITY: Our boiler noise silencer can be used with most domestic boilers, radiators, pipes and heating systems. It is also compatible to use around metals most commonly found in the heating systems, including aluminium.
  • SAFE FOR YOU, THE BOILERS & THE ENVIRONMENT: Our non-toxic and non-acidic radiator silencer is a safer alternative and can be used worry-free around people, the environment and in your heating systems. As this central heating silencer liquid is biodegradable, it won’t harm Mother Nature either.
Show More
6
Kudos-Trading - Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml Boiler Protection Cleaner
Kudos-Trading - Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml Boiler Protection Cleaner
Kudos-Trading
Free Shipping
Why we love it
  • Restores system efficiency rapidly.
  • Easy for DIY use.
  • Cost-effective concentrated solution.
Main Highlights
  • 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.
  • 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.
  • 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.
  • 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.
  • 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
  • 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
  • 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.
  • 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
  • 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.
Show More
8.9
Excellent
8.9
Excellent
Kudos-Trading
Kudos-Trading - Fernox F8 Super Strength Cleaner Boiler Central Heating System Sludge Remover Radiator Protector Inhibitor 500ml Boiler Protection Cleaner
Free Shipping
Why we love it
  • Restores system efficiency rapidly.
  • Easy for DIY use.
  • Cost-effective concentrated solution.
Main Highlights
  • 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.
  • 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.
  • 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.
  • 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.
  • 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
  • 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
  • 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.
  • 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
  • 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.
Show More
7
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)
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)
Sentinel
9% Off
Why we love it
  • Extends system's lifespan efficiently.
  • Protects against limescale, corrosion.
  • Recommended by boiler manufacturers.
Main Highlights
  • The industry standard inhibitor, providing protection for clean central heating systems against limescale and corrosion; recommended by all major boiler manufacturers
  • Heavy duty inhibitor which protects against limescale and corrosion
  • Sentinel X100 Inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage
  • Ensures optimum system efficiency
  • pH neutral formulation
Show More
8.8
Excellent
8.8
Excellent
Sentinel
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)
9% Off
Why we love it
  • Extends system's lifespan efficiently.
  • Protects against limescale, corrosion.
  • Recommended by boiler manufacturers.
Main Highlights
  • The industry standard inhibitor, providing protection for clean central heating systems against limescale and corrosion; recommended by all major boiler manufacturers
  • Heavy duty inhibitor which protects against limescale and corrosion
  • Sentinel X100 Inhibitor will extend the life of the system, ensuring maximum efficiency and minimising fuel usage
  • Ensures optimum system efficiency
  • pH neutral formulation
Show More
8
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
SPI
27% OffFree Shipping
Why we love it
  • Effortless and accurate dosing.
  • Quick chemical introduction.
  • Compatible with radiator tappings.
Main Highlights
  • Quick and easy dosing of chemicals into central heating systems
  • Gravity-fed dosing method for effortless and accurate chemical introduction
  • Suitable for use with inhibitors, sludge removers or anti-freeze
  • Compatibility: 1/2" BSP radiator tappings
  • Dose a System with up to 1 Litre of Inhibitor, Antifreeze or sludge remover in under 17 Seconds
Show More
8.7
Excellent
8.7
Excellent
SPI
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
27% OffFree Shipping
Why we love it
  • Effortless and accurate dosing.
  • Quick chemical introduction.
  • Compatible with radiator tappings.
Main Highlights
  • Quick and easy dosing of chemicals into central heating systems
  • Gravity-fed dosing method for effortless and accurate chemical introduction
  • Suitable for use with inhibitors, sludge removers or anti-freeze
  • Compatibility: 1/2" BSP radiator tappings
  • Dose a System with up to 1 Litre of Inhibitor, Antifreeze or sludge remover in under 17 Seconds
Show More
9
Fernox 56599 F1 500 ml Central Heating Protector
Fernox 56599 F1 500 ml Central Heating Protector
Fernox
31% Off
Why we love it
  • Protects against corrosion effectively.
  • Achieves significant gas savings.
  • Prevents radiator cold spots.
Main Highlights
  • Protects Against Corrosion & Scale
  • When Used with F3 Cleaner Can Achieve 15% Gas Savings
  • Stops Frequent Venting of Radiators
  • Prevents Sticking Pumps
  • Prevents Radiator Cold Spots
Show More
8.7
Excellent
8.7
Excellent
Fernox
Fernox 56599 F1 500 ml Central Heating Protector
31% Off
Why we love it
  • Protects against corrosion effectively.
  • Achieves significant gas savings.
  • Prevents radiator cold spots.
Main Highlights
  • Protects Against Corrosion & Scale
  • When Used with F3 Cleaner Can Achieve 15% Gas Savings
  • Stops Frequent Venting of Radiators
  • Prevents Sticking Pumps
  • Prevents Radiator Cold Spots
Show More
10
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
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
Sentinel
Why we love it
  • The fastest acting cleaner.
  • Removes debris swiftly.
  • Ideal for powerflushing.
Main Highlights
  • The fastest acting central heating cleaner on the market, X800 can remove corrosion deposits and scale in 1 hour
  • Rapid cleaner, removing corrosion deposits and scale in 1 hour
  • Unrivalled chemical technology reduces circulation time to just 1 hour
  • Targeted dissolution of corrosion debris
  • Ideal for powerflushing, also works in cold systems
Show More
8.7
Excellent
8.7
Excellent
Sentinel
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
Why we love it
  • The fastest acting cleaner.
  • Removes debris swiftly.
  • Ideal for powerflushing.
Main Highlights
  • The fastest acting central heating cleaner on the market, X800 can remove corrosion deposits and scale in 1 hour
  • Rapid cleaner, removing corrosion deposits and scale in 1 hour
  • Unrivalled chemical technology reduces circulation time to just 1 hour
  • Targeted dissolution of corrosion debris
  • Ideal for powerflushing, also works in cold systems
Show More