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Fernox Powerflow Flux

( 7 Reviews )

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Powerflow Flux is a soft, white, paste which is easily applied to jointing areas prior to soldering. It is designed for the soldering of copper plumbing systems and is suitable for use with a wide range of metals and alloys. It contains no zinc oxide.

  • Build Quality is rated at a 5/5 for Fernox Powerflow Flux :

  • Ease of Use is rated at a 5/5 for Fernox Powerflow Flux :

  • Features is rated at a 5/5 for Fernox Powerflow Flux :

  • Value For Money is rated at a 5/5 for Fernox Powerflow Flux :

  • Overall is rated at a 5/5 for Fernox Powerflow Flux :

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7 Results

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Review for Fernox Powerflow Flux by Around to
5th March 2020

I’ve had a lot of issues with the joints binding, an awful smell under heat and a few failed joints where the soldier has failed to run fully. I’m meticulous with application and I’ve used laco with never an issue.

I’ve had a lot of issues with the joints binding, an awful smell under heat and a few failed joints where the soldier has failed to run fully. I’m meticulous with application and I’ve used laco with never an issue.


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Review for Fernox Powerflow Flux by S.A.Y Plumbing, Heating and Gas
8th January 2020

Started using this recently as I have so many problems using another brand. Will never look back. Really good stuff from Fernox.

Started using this recently as I have so many problems using another brand. Will never look back. Really good stuff from Fernox.


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Review for Fernox Powerflow Flux by South Yorkshire Heating
13th November 2019

Been using this for years. I have never had any issues and have been pleased with the results from it. It’s clean to use and yet effective on cleaning the copper. Will continue using it.

Been using this for years. I have never had any issues and have been pleased with the results from it. It’s clean to use and yet effective on cleaning the copper. Will continue using it.


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Review for Fernox Powerflow Flux by A Lewis Plumbing & Heating
9th November 2019

find this to be the best flux out there i have used this for years i have tried the rest and always come back to this flux cleans pipe well and keeps clean while soldering top marks from me

find this to be the best flux out there i have used this for years i have tried the rest and always come back to this flux cleans pipe well and keeps clean while soldering top marks from me


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Review for Fernox Powerflow Flux by Connor's Heating Solutions
15th August 2019

My go to flux. Have tried others but always come back to this one. Also doesn't irritate the skin if you manage to get a little on you, unlike some others that burn through you like the look my mother gave me when I swore in front of her last week...

My go to flux. Have tried others but always come back to this one. Also doesn't irritate the skin if you manage to get a little on you, unlike some others that burn through you like the look my mother gave me when I swore in front of her last week...


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Review for Fernox Powerflow Flux by ADOGAS
13th July 2019

Love this flux. Never had any issues with it. Cleans and solder runs really smoothly. Wouldn’t use anything else. Also no issues when it’s been in contact with my skin. Top product. A little bit goes a long way.

Love this flux. Never had any issues with it. Cleans and solder runs really smoothly. Wouldn’t use anything else. Also no issues when it’s been in contact with my skin. Top product. A little bit goes a long way.


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Review for Fernox Powerflow Flux by Afterglow Plumbing & Heating Ltd.
5th October 2018

I’ve been using this flux for 15 years and have had no complaints. I’ve tried other fluxes and had leaks or even burns on my skin. But this I find to be really good.

I’ve been using this flux for 15 years and have had no complaints. I’ve tried other fluxes and had leaks or even burns on my skin. But this I find to be really good.