Fernox F4 Boiler Water Leak Sealer Express Can - 62438
- 256 ml - Treats 26 gallons
Product ID • 599030000000
Available in Stock: 3
Fernox F4 - Boiler Leak Sealer Express Can - 256 ml and treats up to 26 gallons - 62438.
Fernox Superconcentrate Leak Sealer F4 Express Can is used throughout domestic heating systems for sealing small inaccessible leaks. Leak Sealer F4 works best in warm/hot circulating water and once evenly dispersed will usually be effective within 1 - 24 hours. The sealing efficiency of Leak Sealer F4 Express Can has been intentionally limited to prevent blockage of safety devices, pumps, etc.
For long term protection against corrosion and limescale we recommend systems are cleaned using an appropriate Fernox Cleaner F3 and then protected with a Fernox Protector F1.
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Fernox F4 Boiler Leak Sealer Express Can - 62438 Features
- Ideal for reducing pressure loss from sealed systems
- 1 pint treats up to 26 gallons of Boiler Water
- Quick and convenient – doses in 30 seconds
- Simple to use with no mess
- Added via a radiator adapter or filling loop supplied
- Non-toxic, environmentally friendly formulation
- 100% recyclable can
- Saves time and money on draining down and repairing
- Seeks out and seals most weeps and leaks
- Does not cause blockages of pumps, air vents, etc
- Easily and quickly added via one of the radiators
- Universal applicator included
- Patented application
- Ideal for pressurised systems and combination boilers
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