£14.48 was £19.47 Exc. VAT £12.07

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Product Details

Designed to reduce boiler noise and kettling which is a symptom of a scaled system.

Technical Specification
Volume (L) 0.4
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 5 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 9pm Mon-Fri (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Fernox F2 Central Heating Boiler Noise Silencer Express 400ml is rated 4.3 out of 5 by 8.
Rated 5 out of 5 by from Great product A great product at a good price. It did the job perfectly
Date published: 2020-02-12
Rated 4 out of 5 by from So far, so good I bought and used this bottle to top up the Fernox F2 Express previously used. This was because we have a large number of radiators and so needed to strengthen the dosage. It was easy to apply the contents of the bottle via the Magnaclean reservoir pot. Fingers crossed.
Date published: 2020-01-26
Rated 4 out of 5 by from Pay and pick up I’d payed on line, when I when to pick it up the assistant asked for ID or he said he wouldn’t serve me. I showed him my debit card put he said I really need to see your driving licence or other means of ID. The web site doesn’t say you need ID? PS he finally after a bit of hassle served me is this the correct procedure.
Date published: 2020-01-11
Rated 4 out of 5 by from Worked well Had a very noisy boiler, was kettling for on each cold start. Easy to apply using the supplied adaptor through the filling loop, clear instructions on the can, Worked well, now have much less noise on startup.
Date published: 2019-11-17
Rated 5 out of 5 by from Stops boiler banging quick Very happy with product and toolstation
Date published: 2019-11-12
Rated 5 out of 5 by from Stops boiler banging quick Very happy with product and toolstation
Date published: 2019-11-12
Rated 2 out of 5 by from Disappointing. I have always been happy with the performance Fernox products , this purchase was an exception. My system has 15 radiators, 3 of them small doubles, so I bought two bottles. My oil boiler is three years old and so far I have not noticed much difference. Maybe 1 litre is not enough or perhaps it needs more time to work, time will tell.
Date published: 2019-03-25
Rated 5 out of 5 by from Good price and very fast delivery! I bought this from here as it was good value and it was delivered the very next day. It seems to of done the job. Very happy and would recommend and purchase from here again.
Date published: 2019-02-19
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