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Heating water treatment: Clean and protect central heating systems- For all types of heating systems- Anti-corrosion agent for all metals, including aluminium- Extends the service life of the system- Prevents limescale deposits- Stops frequent bleeding of radiators- Removes deposits, Rust sludge, limescale, boiler scale and flux residues- Prevents corrosion, sludge, boiler scale, blocked valves and stuck pumps- Fulfils the requirements of VDI 2035, Ö-Norm, Swissnorm, kiwa, DWTA- The products in the Fernox range are environmentally friendly as they are non-toxic, acid-free and non-foaming, as well as phosphate, nitrate and EDTA-free- Can be used with all hot water heating systems, including condensing technology, Heat pumps, solar systems, underfloor heating systems and heat exchangers - ideal for combi boilers- Compatible with all materials commonly used in heating systems, steel, copper, aluminium, stainless steel, plastics and sealing materialsEasy to use:- Drain heating water from old system - Fill heating system with fresh water and F3 / F5 cleaner- Start up system with heat generator- New system: 1-24 h circulation- Old system: 4-14 days circulation- Underfloor heating: 4-14 days circulation- Flush the heating system- Test with conductivity meter TDS-Meter (91 115 18)- Add corrosion inhibitor F1 / Alphi-11 to the fresh filling water- Check the concentration with the test kit (91 115 14)- Affix the service label - finished
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