Best Central Heating Systems Accessories of 2026

Last updated on 06/02/2026

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Smart Air BOOST Radiator Fan - Portable Radiator Fan - Cordless, Rechargeable & Automatic - Heat Sensor - Improve Heat Distribution & Circulation - Compact Heat Booster - Reduce Energy Wastage

Smart Air BOOST Radiator Fan - Portable Radiator Fan - Cordless, Rechargeable & Automatic - Heat Sensor - Improve Heat Distribution & Circulation - Compact Heat Booster - Reduce Energy Wastage

Improves heat distribution efficiently.
Versatile cordless or corded use.
Lightweight and easily portable.

Main Highlights

Redirect warm air from your radiators with our SmartAir BOOST fan that prevents heat from instantly rising to the ceilings. Instead it accelerates the warm air forward, boosting and improving the heat distribution more effectively and keeping the warmth at living height. Therefore heating your living space faster and more efficiently!
Use either Manual mode for control or Automatic mode for maximum efficiency: easily change between the two modes with the flip of a switch. Fitted with an intelligent heat sensor that ensures you're only driving warm air into your room.
The versatile design can be used corded or cordless for complete versatility. Run it off the mains power or charge the built-in power bank for up to fourteen continuous hours of cordless and portable use.
Our SmartAir BOOST is a cost effective way to heat your home. Double Convector, Tubular Double, Tubular Single and Cast Iron Style. It is engineered to efficiently heat your whole room in no time so that your thermostat switches off quicker.

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Smart Air BOOST Radiator Fan - Portable Radiator Fan - Cordless, Rechargeable & Automatic - Heat Sensor - Improve Heat Distribution & Circulation - Compact Heat Booster - Reduce Energy Wastage

Improves heat distribution efficiently.
Versatile cordless or corded use.
Lightweight and easily portable.

Main Highlights

Redirect warm air from your radiators with our SmartAir BOOST fan that prevents heat from instantly rising to the ceilings. Instead it accelerates the warm air forward, boosting and improving the heat distribution more effectively and keeping the warmth at living height. Therefore heating your living space faster and more efficiently!
Use either Manual mode for control or Automatic mode for maximum efficiency: easily change between the two modes with the flip of a switch. Fitted with an intelligent heat sensor that ensures you're only driving warm air into your room.
The versatile design can be used corded or cordless for complete versatility. Run it off the mains power or charge the built-in power bank for up to fourteen continuous hours of cordless and portable use.
Our SmartAir BOOST is a cost effective way to heat your home. Double Convector, Tubular Double, Tubular Single and Cast Iron Style. It is engineered to efficiently heat your whole room in no time so that your thermostat switches off quicker.

Value for Money

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)

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

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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)

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

Team Controls Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TCFILTER

Team Controls Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TCFILTER

Full bore valves included.
Efficient central heating protection.
Durable metal handle design.

Main Highlights

360 Fully Rotatable Installation
Full Bore Isolating Ball Valves with Metal Handles
Convenient in Line Fitting
Low Profile Drain Valve
Actively Filters Magnetite & Non-Ferrous System Debris

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Team Controls Magnetic Boiler Filter 22mm Inline for Central Heating inc Full Bore Valves with Metal Handle - Team Supplies TCFILTER

Full bore valves included.
Efficient central heating protection.
Durable metal handle design.

Main Highlights

360 Fully Rotatable Installation
Full Bore Isolating Ball Valves with Metal Handles
Convenient in Line Fitting
Low Profile Drain Valve
Actively Filters Magnetite & Non-Ferrous System Debris

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

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

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

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

Fernox 56599 F1 500 ml Central Heating Protector

Fernox 56599 F1 500 ml Central Heating Protector

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

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Fernox 56599 F1 500 ml Central Heating Protector

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

Everbuild P14 Central Heating System Inhibitor, 1 Litre

Everbuild P14 Central Heating System Inhibitor, 1 Litre

Compatible with various tank materials.
Suitable for microbore systems.
Treats up to 10 radiators.

Main Highlights

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
Does not contain mineral oil and suitable for new, existing and extensions to existing heating systems
1 litre will treat systems with up to 10 radiators

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Everbuild P14 Central Heating System Inhibitor, 1 Litre

Compatible with various tank materials.
Suitable for microbore systems.
Treats up to 10 radiators.

Main Highlights

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
Does not contain mineral oil and suitable for new, existing and extensions to existing heating systems
1 litre will treat systems with up to 10 radiators

Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Universal fit for all systems.
Durable design prevents slipping.
Portable storage for easy transport.

Main Highlights

ELIMINATE SYSTEM DRAINING - SAVE TIME: Includes 15 mm and 22 mm silicone bungs plus the DripStopper — change radiator valves fast without emptying the system.
HIGH GRIP RUBBER BUNGS THAT STAY PUT! Made from durable silicone with more grip than standard rubber bungs stoppers—no slipping, no leaks.
MESS FREE VALVE CHANGES/RADIATOR VALVE CHANGES WITH THE DRIPSTOPPER The DripStopper doubles as a back bung and sludge catcher—keep your workspace clean, reduce downtime.
PRO STORAGE BAG INCLUDED Organise and protect your plumbing tools and equipment—no more loose bungs in the van.
DESIGNED BY HEATING ENGINEERS From Heatlab, a UK heating tools brand built on 20+ years’ hands-on experience in plumbing and heating.

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Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Universal fit for all systems.
Durable design prevents slipping.
Portable storage for easy transport.

Main Highlights

ELIMINATE SYSTEM DRAINING - SAVE TIME: Includes 15 mm and 22 mm silicone bungs plus the DripStopper — change radiator valves fast without emptying the system.
HIGH GRIP RUBBER BUNGS THAT STAY PUT! Made from durable silicone with more grip than standard rubber bungs stoppers—no slipping, no leaks.
MESS FREE VALVE CHANGES/RADIATOR VALVE CHANGES WITH THE DRIPSTOPPER The DripStopper doubles as a back bung and sludge catcher—keep your workspace clean, reduce downtime.
PRO STORAGE BAG INCLUDED Organise and protect your plumbing tools and equipment—no more loose bungs in the van.
DESIGNED BY HEATING ENGINEERS From Heatlab, a UK heating tools brand built on 20+ years’ hands-on experience in plumbing and heating.

ColumPRO Central Heating Dosing Tool, Designed for Adding Rust Inhibitors, Sludge Cleaner, Antifreeze Fluid & Sentinel x100 Inhibitor

ColumPRO Central Heating Dosing Tool, Designed for Adding Rust Inhibitors, Sludge Cleaner, Antifreeze Fluid & Sentinel x100 Inhibitor

Fast, efficient heating system.
Optimized flow and resistance.
Durable, corrosion-resistant design.

Main Highlights

Fast Dosing — Complete a Full Heating System in Around 30 Seconds for Maximum Efficiency
Advanced Multi-Stage Design — Optimized to Boost Flow Rate, Reduce Resistance, and Accelerate Fluid Injection
Durable Corrosion-Resistant Build — Safely Handles Rust Inhibitors, Sludge Cleaners, Antifreeze, and Sentinel X100
Universal BSP Compatibility — Fits the Vast Majority of Radiators for Smooth, Hassle-Free Chemical Dosing
Clean, No-Spill Operation — Designed for Controlled Injection Without Mess, Making Maintenance Significantly Easier

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ColumPRO Central Heating Dosing Tool, Designed for Adding Rust Inhibitors, Sludge Cleaner, Antifreeze Fluid & Sentinel x100 Inhibitor

Fast, efficient heating system.
Optimized flow and resistance.
Durable, corrosion-resistant design.

Main Highlights

Fast Dosing — Complete a Full Heating System in Around 30 Seconds for Maximum Efficiency
Advanced Multi-Stage Design — Optimized to Boost Flow Rate, Reduce Resistance, and Accelerate Fluid Injection
Durable Corrosion-Resistant Build — Safely Handles Rust Inhibitors, Sludge Cleaners, Antifreeze, and Sentinel X100
Universal BSP Compatibility — Fits the Vast Majority of Radiators for Smooth, Hassle-Free Chemical Dosing
Clean, No-Spill Operation — Designed for Controlled Injection Without Mess, Making Maintenance Significantly Easier

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

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

Trade Chemicals

Inhibits corrosion and scale.
Prevents microbiological growth.
No detrimental over-dosing effects.

Main Highlights

CONCENTRATED CENTRAL HEATING INHIBITOR
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

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Trade Chemicals

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

Inhibits corrosion and scale.
Prevents microbiological growth.
No detrimental over-dosing effects.

Main Highlights

CONCENTRATED CENTRAL HEATING INHIBITOR
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

YCSHIPO Plumbing and Heating Bung - Includes 2 Internal Bungs & 2 End Cap Bungs (15mm & 22mm) for Efficient Plumbing Solutions

YCSHIPO Plumbing and Heating Bung - Includes 2 Internal Bungs & 2 End Cap Bungs (15mm & 22mm) for Efficient Plumbing Solutions

Effortless maintenance for heating systems.
Reliable fit with durable rubber.
Compatible with various plumbing setups.

Main Highlights

Optimal Functionality: Designed to efficiently remove the need to fully drain central heating systems, our plumbing and heating bungs make maintenance a breeze.
Durable Rubber Construction: Crafted from high-quality, flexible rubber that grips securely to prevent slipping, ensuring a reliable fit in various plumbing setups.
Versatile Design: Available in two sizes, 15mm and 22mm, providing compatibility with vented tanks and open vents. Suitable for a wide range of plumbing configurations.
User-Friendly Application: Quick and easy to use; select the appropriate size, insert into the intended area, and enjoy a leak-proof, secure fit for your plumbing needs.
Complete Package: Includes 1 x 15mm Internal Bung and 1 x 22mm End Cap Bung to cater to different plumbing requirements effectively.

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YCSHIPO Plumbing and Heating Bung - Includes 2 Internal Bungs & 2 End Cap Bungs (15mm & 22mm) for Efficient Plumbing Solutions

Effortless maintenance for heating systems.
Reliable fit with durable rubber.
Compatible with various plumbing setups.

Main Highlights

Optimal Functionality: Designed to efficiently remove the need to fully drain central heating systems, our plumbing and heating bungs make maintenance a breeze.
Durable Rubber Construction: Crafted from high-quality, flexible rubber that grips securely to prevent slipping, ensuring a reliable fit in various plumbing setups.
Versatile Design: Available in two sizes, 15mm and 22mm, providing compatibility with vented tanks and open vents. Suitable for a wide range of plumbing configurations.
User-Friendly Application: Quick and easy to use; select the appropriate size, insert into the intended area, and enjoy a leak-proof, secure fit for your plumbing needs.
Complete Package: Includes 1 x 15mm Internal Bung and 1 x 22mm End Cap Bung to cater to different plumbing requirements effectively.

We scanned 1658 products

We reviewed these offers relevant to the Central Heating Systems Accessories within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like High Street TV, Sentinel, Teams, SPI, Fernox, Everbuild, Heatlab, ColumPRO, Trade Chemicals, YCSHIPO, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Central Heating Systems Accessories in the market, we considered we took a deep dive into 8291 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Smart Air BOOST Radiator Fan - Portable Radiator Fan - Cordless, Rechargeable & Automatic - Heat Sensor - Improve Heat Distribution & Circulation - Compact Heat Booster - Reduce Energy Wastage. We love many things about this product by High Street TV. What sets it apart from the competition is Improves heat distribution efficiently, Versatile cordless or corded use, Lightweight and easily portable.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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) by Sentinel based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Central Heating Systems Accessories and the best cost-to-value ratio is Fernox 56599 F1 500 ml Central Heating Protectorat Fernox with a 31% discount.
Our list of the best Central Heating Systems Accessories is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.