Fernox DS40 Central Heating System Cleaner 1.9kg

Item Code: 344790001

£33.85 Ex VAT £40.62 Inc VAT

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For fast-acting removal of limescale, black sludge (magnetite) and other deposits from boilers and central heatingsystems.

Designed for use with powerflushing units for more efficient, rapid cleaning. Can be used separately todescale a boiler.


  • Rapidly removes lime scale, black sludge and other deposits
  • Restores circulation and improves heating efficiency
  • Free flowing powder for easy use with power flushing units or application via F & E tank or injector (for sealed systems)
  • Turns yellow when product is exhausted
  • Neutraliser sachets included
  • Compatible with all mixed metal systems


Weight (kg) 2kg



  • Belgaqua


  1. CS344790001 Product Data Sheet.pdf
Supplier Website: http://www.fernox.com/