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- 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.
62438 265ML CAN F4 LEAKSEALER EXPRESS FERNOX
- Ideal for reducing pressure loss from sealed systems
- Seals most weeps and small inaccessible leaks
- Saves time and money on draining down and repairing
- Does not cause blockages of pump, air vents etc
- Compatible with all metals and materials commonly used in central heating systems
- One 1 pint bottle treats 26 gallons of water
- ColorOff WhiteContainer Size400 MLFormLiquidOdor / ScentFaintManufacturer #62438pH (soln)7.85Specific Gravity1.0 at 68 degF