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Manufacturer
| Overall Rating |  | 4.8 out of 5 |
| Build Quality |  | 4.5 out of 5 |
| Looks |  | 4.6 out of 5 |
| Value for Money |  | 4.7 out of 5 |
100% (6/6) of people would recommend this
How much Fernox Protector do I need for a system with ten radiators?
One pack of Fernox Protector will treat a typical system with ten single panel radiators. If you have double panel radiators, you should count these as two items with calculating how much Fernox will be needed. If the calculated dose rate is in between carton sizes, dose to the higher figure.
How long will Fernox Protector last?
Normally a treatment will last about 5 years after which time a further does should be applied. If the system is drained in the mean time, then it will need to be re-treated with a further full dose of Protector. You can check if you system is properly does using the nail test.
Can I overdose with Protector?
No! Overdosing is not detrimental and it is important to ensure that there is always sufficient treatment present. There is a test kit and a postal testing service available to check your Protector concentration. See Protector Test Kit product data sheet.
How many kg of DS-40 do I need for 2% solution in a 100 litre system?
Since 1 litre of water weighs 1 kg, then 2 kg of DS-40 per 100 litres of system volume makes a 2% solution.
Is is safe to empty my central heating water down the drain?
Yes, in fact you should only drain your central heating system into mains drainage or a septic tank. Never drain your system into rain water gullies, as these go directly into rivers without treatment. Never pour water from a central heating system on the garden or a lawn.
Can Fernox Leak Sealers be used in combination boilers?
Yes, all Fernox internal leak sealers are safe for use with combination and other low water content boilers. They will not block valves or vents. We recommend our Superconcentrate Leak Sealer for all pressurised systems as this can be added via a radiator in a few minutes, without draining out any water.
What causes knocking noises in boilers?
Boiler noises result from localised boiling of the water. This happens when the inside surface of the boiler becomes too hot due to scale or baked on sludge deposits. All systems over about five years can suffer noise and new boilers in old systems are especially vulnerable. Either clean the boiler and system with one of our range of cleansers, or add Superconcentrate Boiler Noise Silencer.
Do you make anything to get rid of air?
Air collecting in radiators can be formed either by a system fault that causes air to be sucked into the system, or by corrosion that generates not air, but hydrogen gas. Suction air is a design fault that must be remedied by improving the system layout and cannot be resolved by treatment. Hydrogen gas problems can be easily corrected by cleaning with Fernox Superconcentrate Restorer and then adding Superconcentrate Protector.
Is Fernox compatible with plastic pipe and push-fit fittings?
Yes, all Fernox products are safe to use with plastic pipe and push-fit fittings from the leading suppliers.
Does Fernox contain mineral oil?
Fernox Protectors and cleaning agents do not contain mineral oil.
What is a Primatic system?
This is a name given to what id properly termed a single feed cylinder, which is an arrangement whereby the central heating expansion is taken up by and air bubble within the cylinder. To identify a Primatic cylinder use the following check list:
Hot water cylinder fitted (airing cupboard) - YES
Cylinder is labelled Primatic / Single feed cylinder - YES
Cold water tank in loft - YES
Second small open tank (F&E) fitted in loft/airing cupboard - NO
Combination boiler - NO
Solid fuel stove/boiler - NO
Filling loop, valve and pressure gauge to fill radiator system - NO
If you get an alternative answer to any ONE of the above questions to that stated, then you are likely to have a Primatic cylinder and you must NOT use and Fernox product. Sorry. For more information please contact Fernox Technical Services on 0870 870 0362.
How much water will a pack of Sterox treat?
One pack of Fernox Sterox will treat 1,700 litres (375 gallons) of water. Each pack contains 15 disinfecting tablets and a test kit to enable 50 test to be done. It is recommended that systems be disinfected at least once per year.
Does Fernox Superconcentrate Restorer need to be flushed out of the system?
Restorer should be allowed to circulate around the system for at least 48 hours, or up to a week, then drained out and the system flushed before adding Fernox Protector.
When I dose with Silencer, do I also need to use Protector?
Yes. Superconcentrate Silencer is designed for use with any Fernox Protector. It should be left permanently in the system with the Protector and be replaced when the Protector is replaced.
Is the Fernox Flux self-cleaning?
Yes. Fernox Flux is self-cleaning, but it is non-acidic.
Can I use Fernox Protector on old systems?
Fernox Protector may be used on systems of all ages. However it will be advantageous to clean the system with Fernox Restorer before adding Protector in order to remove sludge.
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MagnaClean Central Heating Cleaner PWMG0001 - 6 in Stock
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£83.99 |
CH Perfomance
Pros: impressive performance
Cons: slightly more expensive (but worth it)
Not the cheapest product on the market but this one certainly leaves the others behind. I used it on a 14 rad system, running it hot for 1 day, followed by 2 full flushes. The improvement in radiator temperature and complete elimination of boiler kettling is impressive
50-60 year old male consumer from Bristol, UK
7 January 2011
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Pros: effective, fast acting
Cons: expensive, powder form difficult to inject into radiators
My combi boiler was making loud kettling noises at start up due to a scaled primary heat exchanger. I have tried several products for descaling the heating circuit (i.e. restorers and boiler silencers) and this is the only one that actually worked. I circulated the product for 24 hrs, flushed the system and the kettling noise stopped.
This product was not cheap but turned out to be worth the extra cost. I actually spent more money on several attempts with cheaper alternatives than I did on Fernox DS40.
I recommend you try this product first before power flushing or replacing the heat exchanger.
7 December 2010
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Ancient Boiler Revival(not the wife)
I have an 18 year old Baxi central heating boiler that I dicovered had never been installed with the required prohibitor and protector. After 18 years this presented me with a nasty boiler knock and sludge filled radiators. On a normal system this would not be too bad but with an 8mm micro bore system it presents major problems. After consultations with the technical people at Fernox who were exremely helpful and knowledgable I was reccomended to use their DS40 System Cleaner. I injected it into the system following the instructions that came with the product. The result was fairly good the knocking boiler was cleared and the system greatly improved. I left it for 6 months and decided to give it another dose of DS40 this time also removing all radiators and hose flushing them. This time the result was even better so the system has now been balanced and also treated to the Fernox Protector No 1. I am delighted with both products and the very rapid service from Plumb world whose prices are also very competitive. Will definitely use them for future plumbing needs.
Over 60 year old male consumer from Central Scotland
10 November 2010
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Sludge Killer
This stuff has completely transformed my central heating system. It didn't even need balancing to get all the rads hot once this had been flushed though it! Amazing.
6 October 2010
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Does an excellent job, so I am happy.
40-50 year old male trade from SLOUGH
14 May 2010
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