Description

The DS40 from Fernox is a fast-acting cleaner for removing limescale, magnetite (sludge) and other material deposits which may have collected from your central heating system.

Ideal for use with powerflushing units for extra efficiency and rapid cleaning.

It can also be used to descale a boiler separately.

Features and Benefits:

  • Removes limescale, black sludge and other deposits rapidly.
  • Heating efficiency can be improved and circulation restored.
  • Suitable for use with all mixed metal systems.
  • The free-flowing nature of the powder makes use with powerflushing units a breeze.
  • Supplied with neutraliser sachets.
  • 1.9kg box
CE Approved

Documents

Technical Drawings

£36.95 (Inc. VAT)

23 Available

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Add your own review
4.3/ 5
3 reviews
  • Robert Williams
    5/ 5

    Best price and very rapid delivery from Plumbworld. Resurrected my old system without powerflushing ... big cost saving ... marvellous.

  • paul hancock
    4/ 5

    I got this to clean out an old system. Tried one pack and within 20 minutes the red colour changed to yellow indicating that it was exhausted. Did a flush and the water ran for about 2 hours with black particles in before it went clear. Radiators are much better now but I think it needs another dose as the cleaning action only lasted for 20 minutes

  • Richard. Lathbury
    4/ 5

    did exactly as quoted on the box. at a very good price. cleaned system well. good product.