Central heating radiator leak repair in comparison
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Last updated on 07.09.2026
1
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
free shipping
To the product (3 offers)
9,9
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2
Corgi TRIPCON5-C Concentrated Central Heating Leak Sealer - Clear
Corgi
free shipping
To the product (3 offers)
9,8
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3
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
CosWarm
free shipping
To the product (2 offers)
9,6
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4
FERNOX Central Heating Leak Sealer F4 Express 400ml - Fast Results - 30 sec - (Replacement 58232)
Fernox
free shipping
To the product (4 offers)
9,6
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5
Concentrated Leak Sealer - Boiler Central Heating System (A500) | 1L, treats a standard heating system up to 100L - seal small leaks and weeps
Trade Chemicals
free shipping
To the product (1 offer)
9,6
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6
Tiger Tape® UK Made Emergency Self-Fusing Plumbers Repair Tape – Waterproof, Self-Amalgamating & Self-Bonding – Stops Leaks Fast | Plumbing, Radiations, Joining, Pipes for Temporary repairs.
Tiger Tape
free shipping
To the product (3 offers)
9,5
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7
LavaTap – Fernox F4 Express Leak Sealer 400ml - Central Heating Leak Sealer Spray for Radiator and Pipe Leak Repair, Stop Leak Solution for Sealed Systems
LavaTap
free shipping
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9,4
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8
Trident Central Heating Leak Sealer for Radiator - Leak Repair 500ml | 500ml - Suitable for All Metals Including Aluminium - Effective in 24 Hours on Pin Hole Leaks and Weeping Joints
Trident
free shipping
To the product (4 offers)
9,3
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9
1KG Invisible Waterproof Sealant, Transparent Liquid Sealant for Leak Repair, Clear Waterproof Paint for Outdoor & Indoor, Roof & Bathroom
Kudos-Trading - F4 Leak Sealer 500ml Liquid Seal for Central Heating Pipe Work Leaks Water Underfloor Heating Non-Corrosive Non-Toxic Compatible with Most Heating Systems Long-Lasting Seal
Kudos-Trading
£ 23.49
free shipping
To the product (2 offers)
10% off
10mm Chrome Plated Cosmos Lockshield Radiator Valve with Drain Off
Xcel Home
£ 11.99
free shipping
To the product (2 offers)
Durable Brass Blanking Cap 1/2 Inch, 8 Pcs Radiator Valve Caps with 8 Tap Washers, Hex Brass Female Blanking Stop Cap, No Leaks Plumbing Fittings for Washing Machine Radiator Valve Faucets Tap
HAPINARY Butyl Tape Leak Sealer Heavy Duty Water Tape for Central Heating Plumbing Repair Self-adhesive Rubber Seal for Hoses and Wires
Heavy duty tape--the rubber tape can be used for the sealing and leaking stoppage of water , repair tape is waterproof,water proof tape
£ 10.89
free shipping
To the product (1 offer)
AS Axis Spindleon 2 Pack Radiator Silicone Pipe Bungs 15mm 22mm for Central Heating Tapered Push Fit Red Leak Stopper Plugs
AS Axis Spindleon
£ 13.19
free shipping
To the product (1 offer)
CWOQOCW Brass Automatic Air Vent Valve 3/4 Inch Self Bleeding Radiator Valve for Central Heating Underfloor for System Leak Prevention 2 Pack
[AUTO AIR RELEASE]: Automatically removes trapped air from radiators to restore full heat output and eliminate cold spots without manual intervention for a warmer home environment
£ 10.58
free shipping
To the product (1 offer)
Which.One Highlight
QuickFill - SEL9260: Central Heating Dosing Tool - Add Chemicals Like Fernox Central Heating Inhibitor, Sludge Remover, Leak Sealer & Sentinel X100 to Your Central Heating System
