DIY store & garden heating heating system radiator radweld radiator leak repair

Radweld radiator leak repair deals

This overview is created through the algorithmic evaluation of the products we found for your query. We endeavor to identify suitable products for you based on information on manufacturer specifications and prices. Our site is intended to provide a starting point for your purchasing decision. We would like to point out that we have not tested the products ourselves. We link to selected partner shops and generally receive compensation when you click on these links. Further information can be found here. Prices include VAT, plus shipping if applicable. Information on shipping times and delivery costs may depend on the address, time of order, and customer status (e.g., Amazon Prime) and therefore vary. Changes to prices, delivery times, and shipping costs are possible. The stated remaining period for limited-time offers comes directly from the respective partner shop. Promotions can end prematurely or be extended; the information on the shop website is always decisive. We do not verify this information. All information is provided without guarantee.

🏅 62 radweld radiators leak repair in price comparison
💶 Current offers and discounts
🕝 Last updated on today 07:27

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FERNOX Central Heating Leak Sealer F4 Express 400ml - Fast Results - 30 sec - (Replacement 58232)

Item comes with 3 nozzles for application

£ 28.12 free delivery

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Power Maxed Radiator Stop Leak & Coolant Leak Repair 250ml - Cooling System Sealant for Radiators, Heater Cores & Gaskets - Compatible with All Antifreeze & Coolant - Fast Acting Treatment

Power Maxed

£ 10.99 ~~£ 12.99~~

To the offer

Leak Mate – Emergency Pipe Repair Tool – Stop a Leak in Seconds – Leak Sealer

JD Brands

£ 14.99 free delivery

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POPPSTAR Self-Fusing Silicone Band, Silicone Tape, 3m x 25mm, Sealing & Insulating Strip (water-tight, air-tight), black, 1 Roll

POPPSTAR

£ 8.64

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FAST FIX EPOXY PUTTY Waterproof repair for leaking water lines and other plumbing problems (cures in approx 60 minutes)

£ 13.10 free delivery

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Standard Fest Rad Cooler Gasket Sealant Sealants 150ml

Normfest

£ 7.89 free delivery

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Rectorseal 31780 1-3/4-Ounce Tube Tru-Blu Pipe Thread Sealant

Rectorseal

£ 4.99 free delivery

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Kudos-Trading - Fernox F4 Express Leak Sealer 400ml Aersol Can Reduces Small Leakage From Your Heating System Of 130 Litres Plumbers DIY Home Owners.

Long-lasting effectiveness Once applied, the Fernox F4 Leak Sealer Express provides a long-term solution to leaks. Its robust formulation allows it to withstand the regular functioning of your heating system, maintaining its sealing properties over an extended period.

£ 26.99 free delivery

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ULTIMATE WATERPROOF SEALANT Stop Leak Sealer Spray provides advanced, long-lasting leak protection for gutters, flat roofs, and more. Jenolite's waterproofing sealant can be trusted to act as an instant leak sealer. Perfect for fast-fix repairs and protection for guttering, flat roofs, shed roofs, drain pipes, caravans and more.

£ 12.99 free delivery

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Corgi TRIPCON5-C Concentrated Central Heating Leak Sealer - Clear

Controls scale and maintains boiler efficiency

£ 10.95 free delivery

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LIQUI MOLY 2533 Radiator Stop Leak

Liqui Moly

£ 7.86 free delivery

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Facom 006012 Anti-Leak Engine Cooling System Radiator Sealant 250ml

Facom

£ 7.15

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HOLTS RW4R Radweld, 125 ml

QUALITY PRODUCT

£ 2.79 free delivery

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Fernox Central Heating Leak Sealer F4 500ml

£ 18.00

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52% discount

VITCAS 1Ltr Central Heating Internal Leak Sealer Ideal for Drain plastic tanks, micro bore Cracks-all metals- Instant Repair -Long Lasting Protection-all metals

STOPS MINOR LEAKS - VITCAS Central Heating Leak Sealer seals all the small and remote leaks, will save time, energy and money in draining down and repairing cost.

£ 6.17 ~~£ 12.81~~

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Motul Cooler Seal Radiator Stop Leak Cooling Circulation Radiator Seal 300 ml

Motul

£ 13.49 free delivery

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20% discount

Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml Repairs Weld Cooling System Rads

Generic

£ 11.99 ~~£ 14.99~~

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Trident - Central Heating Leak Sealer - Seals Pin Hole Leaks and Weeping Joints - Suitable for All Metals Including Aluminium - Effective in 24 Hours - 500ml

No Blockage Risk Engineered to maintain free-flowing operation, this product will not clog or obstruct pipes, pumps, or valves. It circulates cleanly through your system, sealing where needed without affecting the efficiency or longevity of your heating unit.

£ 11.90 free delivery

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Fernox 603022 Ls-X Leak Sealer External, 50 g

Fernox

£ 6.81 free delivery

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JENOLITE

£ 15.99 free delivery

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EVO-STIK Plumber's Mait Quick Leak Repair Putty 50g - Instant Repairs for Pipes - Radiators - Tanks & Cylinders - Waterproof

Ideal for bonding to copper, brass, steel, aluminium, fibre glass, acrylic and porcelain

£ 7.49 free delivery

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HOCHSTE Holts Radweld 250ml - Radiator & Cooling System Leak Repair, Stops Leaks Fast, Prevents Future Damage Blue - 2 Pack 500ml

HOCHSTE

£ 13.70 ~~£ 14.27~~

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Holts Tyreweld Puncture Sealant Emergency Tyre Repair Foam Car Puncture Repair Kit Sealant, Quick & Easy Flat Tyre Foam, Drive Up To 100 Miles, No Tools Needed Unscented, 400ml , Pack of 1

Holts

£ 4.99 free delivery

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ARZER Car Radiator & Hose Stop Leak Repair Additive - Anti Corrosion 250ml - Repairs Weld Cooling System Rads

ARZER

£ 9.99

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ProSeal 62020 Instant Gas Tank and Radiator Repair

Pro Seal

£ 6.99 free delivery

To the offer

Granville Ce-Lit Radiator Stop Leak Cement Sealant Powder (1)

Granville

£ 3.69 free delivery

To the offer

Liqui Moly Radiator Stop Leak 250ml

Liqui Moly

£ 4.76

To the offer

11% discount

J-B Weld 2120 Radiator Repair Kit

J-B Weld

£ 17.99 ~~£ 20.14~~

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Radiator Stop Leak 325ml

SILVERHOOK

£ 2.99 free delivery

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Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 250ml

Generic

£ 10.99 free delivery

To the offer

151 Stop That Leak Repair Spray

151

£ 5.89 ~~£ 6.11~~

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Holts WW500 Wondarweld, 500 ml

Holts

£ 16.99 ~~£ 17.57~~

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LIQUI MOLY Pro-Line Radiator Stop Leak K | 250 ml | Cooler additive | SKU: 5178, red

Liqui Moly

£ 12.12 ~~£ 13.49~~

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Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml

Generic

£ 11.49 free delivery

To the offer

K2 Radiator Stop Leak Powder 18.5 G

Brand IPARLUX

£ 2.29 free delivery

To the offer

All Trade Direct 24 X Ce-Lit Radiator Cement Cures Leaking Rads Cylinder Block Water Pump Radweld

All Trade Direct

£ 36.39 free delivery

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Wynn's Radiator Stop-Leak - Seals Radiator & Head Gasket Leaks - Prevents Corrosion & Rust - Compatible with All Coolants/Antifreeze & OAT Fluids - Safe for Hoses & Sensors - 325ml

Wynn's

£ 6.29 ~~£ 6.49~~

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35g BLUE PLUMBING EPOXY PUTTY FOR RADIATORS PIPES REFRIGERATION UNITS SIPHONS etc TECHNICQLL NEW

designed for removing leaks in devices and cooling, heating and water-sewage installations.

£ 8.70 free delivery

To the offer

J-B Weld 8267UK SteelStik Epoxy Putty, dark grey

J-B Weld

£ 7.49 ~~£ 8.79~~

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5in1 Radiator Stop Leak 310ml

5in1

£ 9.65

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Holts Radweld Radiator and Coolant System Leak Repair 250ml No

Holts

£ 4.18

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Kudos-Trading - Fernox Hawk White 200g Jointing Compound for Plumbing Leak Prevention PTFE Based Non Setting Durable Water Resistant Sealant for Pipe Fittings Threaded Joints in Water Systems

Kudos-Trading

£ 12.99 free delivery

To the offer

JB Weld Jb8277 Waterweld Under Water Adhesives, Off White 2 oz, 1 Pack

J-B Weld is an American company that proudly manufactures its products in the USA; when you need a repair, you need the World's Strongest Bond.

£ 8.70 free delivery

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HOLTS RADWELD RADIATOR LEAK REPAIR 250ML RWZR

Holts

£ 9.00 free delivery

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Holts LOYRW2R Radweld Cooling System Stop Leak & Radiator Repair 250ml

Holts

£ 1.00 free delivery

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Wynn's Engine Oil Stop Leak - Prevents & Stops Oil Leaks - Restores Elasticity of Seals & O-Rings - Lubricates & Protects Engine Seals - Safe for All Engine Oils - 325ml

Wynn's

£ 7.99 ~~£ 8.84~~

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J-B Weld Plastic/Metal/Oil/Diesel/Petrol Tank Repair Kit Putty

J-B Weld

£ 8.92 ~~£ 9.25~~

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Granville Genuine 1 X Petro Patch Putty 50g Multi Purpose Metal Repair Leaks Car Sealant - Part Number 455

Granville

£ 8.75 free delivery

To the offer

Wynn's 1831015 55863 Radiator Stop Leak 325 ml

Wynn's

£ 11.99 ~~£ 12.57~~

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Prestone PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300,000 miles Corrosion Protection, Ready to Use, 1 Litre

Prestone

£ 5.35 ~~£ 5.97~~

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Pro Line Radiator Stop Leak Coolant System Sealant 5x250ml

Compatible with conventional coolants and antifreezes

£ 59.49 free delivery

To the offer

STP Engine Stop Leak for Petrol & Diesel Engines 300 ml, Improved Concentrated Formula, Conditions your Engine and Prevents Minor Oil Leaks, Mechanical Car Cleaning Products, Made in the UK

STP

£ 6.99

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Pro Line Radiator Stop Leak Coolant System Sealant 4x250ml

Compatible with conventional coolants and antifreezes

£ 47.99 free delivery

To the offer

Holts Gun Gum Paste 200gm Exhaust Repair GG2R For Small Holes Repairs Leaks

Holts

£ 2.00 ~~£ 3.07~~

To the offer

Pro Line Radiator Stop Leak Coolant System Sealant 3x250ml

Compatible with conventional coolants and antifreezes

£ 37.49 free delivery

To the offer

Arctic Hayes Leak Detector Fluid 250ml

Arctic Hayes

£ 3.79

To the offer

Holts Radweld Radiator Sealer & Stop Leak - 250ml

Holts

£ 9.00 free delivery

To the offer

Araldite Repair Putty Extremely Hard Setting Filler Solution with High Temperature Resistance For Durable Bonding & Repairs 50g, Colour May Vary

Best Price Square

£ 7.99 free delivery

To the offer

Coolant Leak Sealer 15g – Stop Leak Powder For Radiators, Heater Core, Water Tanks, And Pipes – Anti-Leakage Repair Solution, Underwater Seal For Efficient Leak Prevention And Fixing

Seal Small Cracks Solve water leakage Leak Repair Powder Water tank and pipe leak stopper efficiently with our coolant leak sealer. Specially formulated to target small cracks, it features powerful functions for quick and easy repairs. Save time and effort while caring for your cooling system

£ 5.49 free delivery

To the offer

Holts Gun Gum Exhaust Paste, Exhaust Repair Paste, Professional Quality Exhaust Sealant Paste To Create Gas Tight Seal & Stop Leaks, Reliable & Easy To Use For Fast Permanent Exhaust Repair, 200g

Holts

£ 2.00 ~~£ 3.07~~

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Invisible Waterproof Sealant, 2025 Upgraded Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, Invisible Waterproof Agent for Bathroom, Kitchen, Garden, Roofs & Walls (100g, 1)

Generic

£ 9.99

To the offer

Rislone COOLING SYSTEM RADIATOR STOP LEAK

Rislone

£ 23.69 free delivery

To the offer

We have found a total of 62 radweld radiators leak repair deals for you at amazon, ONBuy UK, B & Q, and other shops. The most popular brands are: Holts, Generic, and J-B Weld. Today's offer is Power Maxed Radiator Stop Leak & Coolant Leak Repair 250ml - Cooling System Sealant for Radiators, Heater Cores & Gaskets - Compatible with All Antifreeze & Coolant - Fast Acting Treatment with 15% discount. The lowest price we found in our deals is £ 2.79 . The highest price in our price comparison is £ 59.49 . Currently, we have selected 28 reliable shops for you to buy radweld radiators leak repair affordably.

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🏅 62 radweld radiators leak repair in price comparison

Our offer Which.One enthält Links zu Partner-Shops, über die wir in der Regel eine Provision erhalten. Die dargestellten Preis und Produktinformationen stammen aus ausgewählten Partner-Shops. Mehr Informationen finden Sie auf der Über uns Seite.

Our offer

Which.One enthält Links zu Partner-Shops, über die wir in der Regel eine Provision erhalten. Die dargestellten Preis und Produktinformationen stammen aus ausgewählten Partner-Shops. Mehr Informationen finden Sie auf der Über uns Seite.