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Fernox Super Concentrate Leak Sealer F4 56703

(Code: 6603049)
Leak Sealer F4 is suitable to be used throughout a central heating system to seal small leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system it will be effective 1-24 hours after application. The unique sealing efficiency of this proven product has been specifically developed to prevent blockages or restrictions within the boiler or vulnerable system components such as pumps and safety devices
£ 22.00
400g

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  1. Fernox Leak Sealer F4 directly into a radiator air-vent using the special adapter supplied with the product. The entire process can be completed in less than five minutes! In single feed indirect cylinders, e.g. ‘Primatic’ or similar, potable water chemicals must be used. Leak Sealer F4 is suitable to be used throughout a central heating system to seal small leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system it will be effective 1-24 hours after application. The unique sealing efficiency of this proven product has been specifically developed to prevent blockages or restrictions within the boiler or vulnerable system components such as pumps and safety devices.
  2. Ideal for pressurized systems and combination boilers
    Ideal for reducing pressure loss from sealed systems
    Does not cause blockages of pumps, air vents, etc
    Universal applicator included
    Patented application
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  4. To find out more details about the product. Have a look at the following instructions.