Fernox 62438 F4 Leak Sealer 400ml Spray Bottle. Purchase geothermal supplies online for residential and light commercial contractors at Geo-Hydro Supply in Sugarcreek Ohio
Leak Sealer F4 is a internal leak sealer developed for use throughout a central heating system to seal small, inaccessible leaks and weeps which may cause pressure loss and boiler breakdown
Once dispersed within the system, the product finds the area of oxygen ingress and forms a polymer to seal the pinhole
Effective within 1-24 hours after application, the unique sealing efficiency of this market-leading water treatment chemical has been proven to prevent blockages or restrictions within the boiler or vulnerable system components such as pumps and safety devices
Seeks out and seals inaccessible, internal microscopic leaks fast
Quick and convenient – doses in 30 seconds - no need to drain down the system
Safe to use - does not cause blockages in pipework or vulnerable boiler components such as pumps, air vents and heat exchangers
Non-toxic, environmentally friendly formulation, compressed air propellant and 100% recyclable can
Saves time and money on draining down and repairing
Add via a radiator, filling loop or TF1 System Filter - all adapters supplied
Product Specifications
Instructions
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Fernox 62438 F4 Leak Sealer 400ml Spray Bottle
Cleaning SuppliesCleaners & Chemicals
400 ML Can, 30 Sec Setting Time, Faint Odor, Viscous Liquid, Aerosol, White F4 EXPRESS Water Treatment Leak Sealer