Best Central Heating Systems Accessories Deals Online in the UK (10 Deals Found)

Last Updated - 23/09/2026 Sort By:

Best Choice
Everbuild

New
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,

£12.00 £14.56
Heatlab

New
Heatlab Ultimate Bung Set Plumbing Tools - Rubber Tank Bungs + DripStopper
ELIMINATE SYSTEM DRAINING - SAVE TIME: Includes 15 mm and 22 mm silicone bungs plus the DripStopper — change radiator va

£13.99
SPI

New
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover,
Quick and easy dosing of chemicals into central heating systems

£14.95
Sentinel

New
Sentinel - X100 Inhibitor 1L, Market Leading Heavy Duty Central Heating Inhibitor, Protection Against Corrosion and lime
The industry standard inhibitor, providing protection for clean central heating systems against limescale and corrosion;

£19.50
Best Value
LavaTap

New
LavaTap Fernox F1 Central Heating Inhibitor, Radiator Inhibitor 500ml
Fernox F1 Central Heating Inhibitor: This Fernox F1 central heating inhibitor protects sealed and open vented systems by

£21.99 £27.99
LavaTap

New
LavaTap Sentinel X100 & X800 Bundle – Central Heating Cleaner and Inhibitor Set – Sludge Remover, Radiator Flush, Rust P
Two-Step Heating System Treatment: Includes one bottle of X800 central heating cleaner and one bottle of X100 radiator i

£43.75
Goodility

New
Goodility Radiator Cleaner Brush Long Thin Flexible Pack of 2 Brushes for Cleaning Central Heating System
Versatile: These sturdy brushes are ideal for cleaning hard-to-reach areas, barbecue grills, and other household surface

£7.50
Prozwee

New
Prozwee Transparent Central Heating Dosing Tool,Radiator Dosing Funnel - For Adding Fernox central heating inhibitors, s
Transparent Design --Our filling tool is made of transparent high-quality ABS, making it easy to observe and monitor the

£12.99
Fernox

New
Fernox 56600 500ml F3 Cleaner
Removes sludge, flux and debris from new and exisiting central heating systems

£12.50 £12.99
VANCOCO

New
VANCOCO Magnetic Boiler Filter 22mm with 360 Fully Rotatable Installation, Includes Isolating Valves, Magnetic Filter fo
PREMIUM QUALITY - VANCOCO magnetic boiler filters are made of excellent brass and are very durable. Effectively removes

£44.99

10 Central Heating Systems Accessories deals are available from: Amazon stores, starting from £7.50.
The biggest discount we found is 21% on LavaTap Fernox F1 Central Heating Inhibitor, Radiator Inhibitor 500ml at Amazon.
The lowest price we found is £7.50 while the highest is £44.99.
Prices for the best Central Heating Systems Accessories deals average at £20.42.
Last updated on September 23, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Central Heating Systems Accessories.