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Fernox Cleaner F3 500ml

( 5 Reviews )

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Cleaner F3 is an effective, universal pH neutral cleaner. It removes sludge, scale and debris from existing central heating systems to restore heating efficiency and eliminate boiler noise.

  • Build Quality is rated at a 4/5 for Fernox Cleaner F3 500ml :

  • Easy of Use is rated at a 5/5 for Fernox Cleaner F3 500ml :

  • Features is rated at a 4/5 for Fernox Cleaner F3 500ml :

  • Value For Money is rated at a 4/5 for Fernox Cleaner F3 500ml :

  • Overall is rated at a 4/5 for Fernox Cleaner F3 500ml :

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5 Results

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Review for Fernox Cleaner F3 500ml by Verisafe (Derby) Ltd
19th March 2020

As it’s recommended by most boiler manufacturers it’s a ‘no brainier’ that you are using a quality product. It’s not the cheapest cleaner but it’s quality gives piece of mind.

As it’s recommended by most boiler manufacturers it’s a ‘no brainier’ that you are using a quality product.
It’s not the cheapest cleaner but it’s quality gives piece of mind.


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Review for Fernox Cleaner F3 500ml by South Yorkshire Heating
13th November 2019

Always use Fernox as they have proved so reliable over the time. This F3 cleaner I find really useful and would always recommend it. Use it on all my boiler installations.

Always use Fernox as they have proved so reliable over the time. This F3 cleaner I find really useful and would always recommend it. Use it on all my boiler installations.


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Review for Fernox Cleaner F3 500ml by Heat Trend
2nd April 2019

Is the only cleaner I use. couldn't really tell you if it works as hard to compare. prefer to use a branded chemical with their filter and testing kits

Is the only cleaner I use. couldn't really tell you if it works as hard to compare. prefer to use a branded chemical with their filter and testing kits


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Review for Fernox Cleaner F3 500ml by Rapidz services
23rd January 2019

Everytime i install a boiler or flush system which isn't really bad I use the Fernox f3 to flush out any debris using my machine.

Everytime i install a boiler or flush system which isn't really bad I use the Fernox f3 to flush out any debris using my machine.


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Review for Fernox Cleaner F3 500ml by B H heating solutions
5th October 2018

Used this few times it’s ok. Not good On really dirty systems and doesn’t say on the bottle weather it’s ok on cold water flushes or prefers heat!

Used this few times it’s ok. Not good On really dirty systems and doesn’t say on the bottle weather it’s ok on cold water flushes or prefers heat!