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Fernox Cleaner F3 500ml

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.

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5 Reviews

Verisafe (Derby) Ltd - March 19, 2020 @ 04:09

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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.

South Yorkshire Heating - November 13, 2019 @ 08:12

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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.

Heat Trend - April 2, 2019 @ 01:17

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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

Rapidz services - January 23, 2019 @ 02:42

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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.

B H heating solutions - October 5, 2018 @ 11:41

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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!

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