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5 Best Central Heating Systems Accessories of 2026

Last Updated - 05/04/2026

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Adey

ADEY MagnaClean Micro, 22mm Magnetic Filter, Central Heating System Cleaner

Adey

£65.45

More Details
Main highlights
- SYSTEM PROTECTION: Helps prevent boiler damage, improves system efficiency, and reduces heating costs by maintaining clean system water
- MAINTENANCE: Quick-release trigger and isolation valves allow for simple servicing and cleaning without system drain-down
- MAGNETIC FILTRATION: Advanced magnetic filter designed to capture and remove magnetite (black iron oxide) and other debris from central heating systems
- INSTALLATION COMPATIBILITY: 22mm compression fittings for easy integration into domestic heating systems, with multiple orientation installation options
- COMPACT DESIGN: Space-saving design perfect for installation in areas with limited access, featuring a robust construction with high-quality valves
£65.45
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LavaTap

LavaTap Sentinel X100 & X800 Bundle – Central Heating Cleaner and Inhibitor Set – Sludge Remover, Radiator Flush, Rust Prevention, pH Neutral, Treats 100 litres, Heating System Maintenance

LavaTap

£43.75

More Details
Main highlights
- Two-Step Heating System Treatment: Includes one bottle of X800 central heating cleaner and one bottle of X100 radiator inhibitor fluid – a complete solution to flush sludge, then protect against rust and corrosion in all domestic heating systems
- Treats Up to 100 Litres of System Water: Each 1L bottle treats 100 litres of water – suitable for homes with up to 10 radiators or equivalent underfloor heating zones, with clear dosing instructions for filling loops, radiators or dosing pumps
- Safe for All System Types and Materials: Compatible with sealed, open-vented and combi boilers and suitable for copper, steel, aluminium and mixed-metal pipework – trusted by heating engineers and DIY users for long-term system maintenance
- Rapid Sludge and Magnetite Removal: X800 central heating cleaner starts breaking down sludge, rust and magnetite in just 1 hour – ideal for blocked radiator fix, cold spots, poor circulation and noisy boilers without needing a full power flush
- Lower Energy Bills and Fuel Waste: A cleaned and protected heating system transfers heat more effectively, helping radiators warm up faster and reducing gas use – improving boiler performance and cutting long-term energy costs for your home
- Long-Term Corrosion and Limescale Protection: X100 is a pH neutral, non toxic radiator inhibitor fluid that helps prevent corrosion, scale and internal rust buildup – ideal for ongoing system protection and cleaner, more efficient water flow
£43.75
3
27% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SPI
27% 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

SPI

£15.95

£21.95
(27% Off)

More Details
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
£15.95
£21.95 (27% Off)
4
Best Value
31% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fernox
31% Off

Fernox 56599 F1 500 ml Central Heating Protector

Fernox

£16.99

£24.78
(31% Off)

More Details
Main highlights
- When Used with F3 Cleaner Can Achieve 15% Gas Savings
- Stops Frequent Venting of Radiators
- Protects Against Corrosion & Scale
- Prevents Sticking Pumps
- Prevents Radiator Cold Spots
£16.99
£24.78 (31% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Teams

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

Teams

£40.95

More Details
Main highlights
- Low Profile Drain Valve
- Full Bore Isolating Ball Valves with Metal Handles
- Convenient in Line Fitting
- Actively Filters Magnetite & Non-Ferrous System Debris
- 360 Fully Rotatable Installation
£40.95

5 Best Central Heating Systems Accessories of 2026

ADEY MagnaClean Micro, 22mm Magnetic Filter, Central Heating System Cleaner

LavaTap Sentinel X100 & X800 Bundle – Central Heating Cleaner and Inhibitor Set – Sludge Remover, Radiator Flush, Rust Prevention, pH Neutral, Treats 100 litres, Heating System Maintenance

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

Fernox 56599 F1 500 ml Central Heating Protector

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

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