£13.98 was £19.47 Exc. VAT £11.65
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Product Details

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

Technical Specification
Brand Fernox
Safety Data Sheet click here
Type Accessories
Volume (L) 0.5
Delivery details

Covid-19 Update

  • Free Next Business Day delivery for orders over £25 to home and site is available for orders placed before 5pm
  • Saturday and Sunday delivery is now available for orders placed before 4pm on Friday for Saturday delivery and 4pm Saturday for Sunday delivery, see here for details
  • We have temporarily suspended our Pre-12 delivery service
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • If your order contains more than one item it may be split into two deliveries as we manage volume across our network
  • Due to carrier constraints it is not currently possible to deliver age restricted items. Please use our Click & Collect service for these products
  • Delivery direct from suppliers is now available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Delivery (Mon-Fri) usually before 6pm £5 Free Free
Pre-12 Delivery before 12 noon Next Business Day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery order by 4pm Friday £10 £5 Free
Sunday Delivery order by 4pm Saturday £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

Covid 19 Update

Click & Collect

  • Safe contactless collection is available 7 days a week at our branches
  • Our branches are open 7am-5pm Mon-Sat and 9am-4pm Sun
  • Keeping our colleagues and customers safe and well and respecting stringent social distancing requirements is our number one priority – 2 metre rule enforced
  • Our available product range will not require more than 1 person to lift
  • Please see our guide to click and collect below

  • Please ensure that your mobile number is added so that we can text you when your order is ready to collect

Call & Collect

Due to current trading conditions we have suspended our Call & Collect service until further notice.

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 7pm 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.
Reviews
Fernox F2 Central Heating Boiler Noise Silencer 500ml is rated 4.5 out of 5 by 12.
Rated 5 out of 5 by from Quality Product Followed the instructions, worked well once the system had run for a couple of days.
Date published: 2020-05-26
Rated 5 out of 5 by from It works well This is the second time I have bought and used F2. The last time was about 4 years ago. It worked then and it has worked this time too. Our boiler is a Potterton Suprima and it is about 20 years old. F2 is easy to use but note at least in my case, where I put it into the system via our header tank, it takes a week or two to work. Is it a magic pill no. Does it make a noticeable difference and is it worth the money - definitely yes.
Date published: 2020-05-14
Rated 5 out of 5 by from Banging pipes What more can I say , it’s Fernox it works
Date published: 2020-05-07
Rated 5 out of 5 by from Great product, great price from Toolstation I have used Fernox F2 previously in our 13-radiator installation, with a very old gas boiler. It acts as an inhibitor and certainly kills any boiler noise. (It was recommended by the BGas service engineer) It's easy-ish to add, by isolating a single rad, draining off a pint of the existing water, then adding Fernox F2 after removing the air bleed plug. (A fill pipe is available and recommended.) Fernox F2 is quite hard to find online, but the price (including free next day delivery) was amazing at Toolstation. Excellent product, fantastic price and delivery.
Date published: 2020-03-21
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
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