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Fernox DS40 System Cleaner

3 Reviews
Product Information
Overall rating 5.0

Build Quality is rated at a 5/5 for Fernox DS40 System Cleaner :

Ease of Use is rated at a 5/5 for Fernox DS40 System Cleaner :

Features is rated at a 5/5 for Fernox DS40 System Cleaner :

Value For Money is rated at a 5/5 for Fernox DS40 System Cleaner :

Overall is rated at a 5/5 for Fernox DS40 System Cleaner :

Reviews
Number reviews: 3
Overal rating: 5
Review for Fernox DS40 System Cleaner by Peter Duffy
9th July 2021

This is an acid cleaner that is very good and powerful. The box has neutraliser for a reason. I have used this in heating and even to clear up a rather caked on dirtied toilet. The toilet was rather bad and the customer did not want to replace it and it came up perfect. I would not risk using this on an old heating system because of I believe in my opinion there would be too high a risk of the radiators possibly leaking. So great product, follow the instructions.

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Review for Fernox DS40 System Cleaner by S Banks Plumbing Heating & Eco Energies Ltd
17th September 2019

Excellent stuff and I use this all the time.
It has a different colour when adding and then changing colour when spent.
It’s a very good product and it’s good for the price

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Review for Fernox DS40 System Cleaner by Udell Electrical Services
8th March 2019

I used this stuff a few times to clean my central heating system. The house I brought the central heating wasn’t maintained properly and all the heating system was full of sludge and some radiators were not heating up correctly. Used this stuff and it improved the heating ten fold. I also have a magnetic filter on the system too so that picked up the junk that was broken down.

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