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No Nonsense Central Heating Noise Reducer 500ml (82634)

500ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types and compatible with all No Nonsense additives. 500ml treats 100 litres.

  • Suitable for All Boiler Types

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£7.99INC VAT (£15.98/Ltr)

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Rated 3.9 out of 5 by 22 reviewers.
  • 2016-09-29 T10:26:00.436-05:00
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Rated 5 out of 5 by Excellent value Not used Screwfix before but had a boiler with a kettling problem and thought give a try at this price. After just a few days the kettling has reduced to just a slight level that hoping will improve with time. Combined with the cleaner rads and hot water are warming up a lot quicker then before. Good stuff 26 Jun 2016
Rated 5 out of 5 by NO MORE "CHUGGING" My central heating system sounded like a steam train "chugging down the line" 2 bottles of inhibitor and 6 hours later, it was that quiet I had to check the pumps/boiler were on. All was well and very very quiet. . Yet another great product from screwfix! 29 Feb 2016
Rated 5 out of 5 by Works a treat. Does what it says on the bottle ! Problem solved ! No more boiler noise! 22 Jan 2016
Rated 3 out of 5 by quieter boiler Selling house and thought I would be a good chap and service the boiler, including a drain down and flush, followed by inhibitor. As a result I ended up with a bit of kettling afterwards which I didnt have before. I added this and it quietend it down to acceptable levels, which should get better over time I hope. Har dto compar eit with anything else an dreliability isnt really approprite for this product. - It did the job at an affordable price. 23 Nov 2015
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3 Questions  4 Answers

Screwfix Q&A

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Each bottle indicates expiry date on it, which I think is related to the shelf life. Nothing tells the length of time it continues being effective when added to the system so as to add more if needed.
24 Mar 2016
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Bishop's Stortford
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Answer: 
Hello,

In simple central heating noise reducer works to break down the lime scale build up on the boiler heat exchange surfaces so that they are no longer precipitated on the boiler and instead held in solution. This being said it does not then prevent further build up of lime scale but works well to remove any that is present at the time it is added.
27 Mar 2016
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Yeovil
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Answer: 
Yes expiry date is shelf life. The product will work indefinitely but would need replacing of the system is drained for any reason.
25 Mar 2016
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17 Nov 2015
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Lincoln
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Answer: 
Noise Reducer is a suplimentary scale inhibitor for extremely hard water areas. If scale is allowed to form it will cause kettling noises as steam blisters burst. It should be left in the system so that it can dissolve limescale deposits back into solution and reduce the noise. Scale deposits cost additional money to heat so good scale control is important. This product MUST be used with a corrosion inhibitor at the same time. We recommend No Nonsense Inhibitor but it could equally be used with Fernox products as we have not encountered any incompatibility issues.
19 Nov 2015
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30 Oct 2015
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hailsham
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Answer: 
It's always better to overdose than under dose but one 500ml bottle should be sufficient for a 7 radiator system and the silencer must be used with an inhibitor.
1 Nov 2015
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  • 2016-09-29 T10:25:25.621-05:00
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Specification
Brand No Nonsense
Pack Size 1
Pieces in Pack/Case 1
Pieces in Pack/Case 1
Product Type Central Heating Noise Reducer
Sealant Adhesive Volume 500 ml
Suitable System Suitable for All Boiler Types
Volume 500 ml

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Safety Data Sheet (COSHH)