Fernox F4 Leak Sealer Central Heating System 500ml Liquid
Rated 4.5 out of 5 stars (1,450)
Pros
- Seals small, inaccessible leaks without draining the whole system
- One bottle treats up to 130 litres of system water (around 16 radiators)
- Non-toxic and safe to leave permanently in the heating system
Cons
- Not a fix for larger leaks or damaged pipework
Specifications
- Brand
- Fernox
- Price
- Mid-range
Related attributes
Price
Material
Brand
Best For
Small gardensLarge gardensIndoor DIYInterior wallsSingle or couple householdsFamily cookingLiving roomShed & outbuildingsKitchen islandSmall living roomsFamily living roomsPatio loungingIndustrial-style dining roomsFull-time home workingSmoke Control AreasMulti-FuelCushion Storage & SeatingDaily maintenance cleaningWalking & trainingOutdoor housingPlay & scratchingSleeping & joint supportWeekend campingGarden partiesRelaxationFamily fun
Length
Capacity
Connectivity
Age Range
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£13.99
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