Fernox F2 Central Heating Boiler Noise Silencer 500ml

By Fernox Product code: 46505 Pack size: Each

£14.98 was £19.98 Exc. VAT £12.48
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Product Details

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


Designed to reduce boiler noise and kettling which is a symptom of a scaled system. It is ideal for use with all types of boilers and is compatible with all metals and materials commonly used in systems including aluminium.

• Reduces boiler noise
• Improves heat transfer efficiency
• Compatible with all Fernox Protectors
• Non-toxic, environmentally friendly
• Can be left in the system permanently
• One 500ml bottle treats up to 130 litres of system water (16 radiators) and the equivalent of 250m2 of underfloor systems.

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 is available for orders over £25 for orders placed before 9pm Mon-Thur and before 6pm Sunday
  • Saturday and Sunday delivery is available for orders placed before 6pm on Friday for Saturday Delivery and 4pm Saturday for Sunday delivery. Items over 30kg can only be delivered next Business Day Mon-Fri. Orders placed after 9pm Thursday will be delivered the following Monday see here for details
  • Pre-12 delivery service is now available for weekday deliveries. Place your order before 9pm Mon-Thur for next business day delivery by 12pm. Orders placed after 9pm Thur and before 6pm Sunday will be delivered by 12pm Monday. UK mainland only
  • 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
  • Delivery direct from suppliers is 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 Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 6pm £5 Free Free
Pre-12 Delivery Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 12pm next day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery (order by 6pm Friday) delivered before 6pm £10 £5 Free
Sunday Delivery (order by 4pm Saturday) delivered before 6pm £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

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Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday

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Reviews
Fernox F2 Central Heating Boiler Noise Silencer 500ml is rated 4.7 out of 5 by 17.
Rated 5 out of 5 by from Worked a treat Bought this as our boiler started to get noisy with constant use, worked a treat.
Date published: 2021-02-24
Rated 5 out of 5 by from Like Ronseal, does what it says on the bottle. Bought this as read some reviews about it online. I have an ageing Oil Boiler system in the house which was making a right racket. Used a couple of bottles of this and the noise has reduced dramatically. Took about a week for the effect to be noticeable but very pleased with it.
Date published: 2021-02-23
Rated 5 out of 5 by from Fernox noise silencer, Normally go to the shop, but at the time only available for delivery, arrived promptly.
Date published: 2021-01-26
Rated 5 out of 5 by from Heat retaining chemical Bought this after contacting Fernox for advice on heat retaining solution and they recommend F2 now added to system and seams to help
Date published: 2021-01-21
Rated 5 out of 5 by from Noise eliminated Excellent product does what it says
Date published: 2020-06-21
Rated 5 out of 5 by from It worked for me - easy I am always a bit doubtful about 'magic' products in a bottle but I have used Fernox products for over 30 years so thought it worth trying, my boiler is over 15 years old and was still banging and popping after descaling for the first time in over 30 years. I drew some water off the bathroom radiator and put the bottle in there - the header tank is hard to get to - bled the radiator and turned its thermostat on full, then ran the heating for two hours to circulate the mixture. The boiler gradually got quieter over a couple of weeks use. Now, after two months, I haven't heard even a pop out of the boiler while it is running, just the noise of the gas burner. I bought a second bottle because I wasn't sure that 1/2 litre would be enough in my system, but one has done the job. This is a great product and was worth every penny for me,the noise from the boiler was really annoying. Well worth trying.
Date published: 2020-06-11
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
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