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
Fernox DS40 System Cleaner 1.9kg - 61102Downloadable Documents
Technical Drawings
Fernox DS40 System Cleaner 1.9kg - 61102
PWFE0032
£37.72(Inc. VAT)
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365 Day Returns
Returns Policy - Changed Your Mind?
If you change your mind about the product when you receive it you can notify us any time within 365 days and return it for a full refund at your own cost. Any refunds will be made within 30 days of receiving your returned item. You are expected to cover the cost to return the item and your initial delivery charge will not be refunded.
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.
