Cleaner F3 central heating cleaner

Heating water treatment: Clean and protect central heating systems

• Removes deposits, rust sludge, limescale, boiler scale and flux residue
• Protection against corrosion, sludge, boiler scale, blocked valves and pumps that are stuck
• Meets 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, phosphate, nitrate and EDTA-free
• Can be used in any hot water heating system, also condensing boiler technology, heat pumps, solar systems, underfloor heating and heat exchangers – ideal for combi boilers
• Compatible with all materials that are standard in heating systems, such as steel, copper, aluminium, stainless steel, plastics and sealing materials

Easy to use:
• Drain the heating water from old system
• Fill heating with fresh water and F3 / F5 cleaner
• Start up system with heat generator
- New system: 1-24 h circulation
- Old system: 4-14 day circulation
- Underfloor heating: 4-14 day circulation
• Flushing of the heating system
• Test with TDS conductivity meter (91 115 18)
• Add corrosion protection agent F1 / Alphi-11 to the fresh water
• Check concentration with the test kit (91 115 14)
• Stick on service label – finished

• For all types of heating system
• Not acidic, no neutralising agent required
• Removes rust sludge and magnetite, lime, flux residues and other dirt
• For new and old central heating systems
• Ideal for combination boilers