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Pros & Cons

The AI used to provide these results are constantly improving. These results might change.

Pros

This is a lengthy review (for me) but for those that have central heating issues please read on. I hope that it has long lasting properties but only time will tell. I make that a winning gamble you don't have to gamble go for it.



Cons

Water never boils inside a modern boiler. There are several thermistors that will shut off the boiler as soon as the water gets above ~90c if you boiler boils water it is dangerous and needs replacing. Delivery system is inadequate and ideally it need...  Read More

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality


Waiting to compare a few years use with the past


Not sure how long the effects last i am only replacing now because i had to put new heating and water zone valves in which mean...  Read More

Price


If you are only interested in cost saving please read other reviews just swapped supplier

Packaging/appearance


Turned off and drained the some water from the smallest radiator then added the syringe contents

Overview

  • How are reviewers describing this item?
    hot, down, central, turned and additive.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 4.
  • Our engine has discovered that over 80% high quality reviews are present.
  • This product had a total of 66 reviews as of our last analysis date on Apr 4 2024.

Helpful InsightsBETA

The AI used to provide these results are constantly improving. These results might change.

    Posted by a reviewer on Amazon

    Not sure how long the effects last i am only replacing now because i had to put new heating and water zone valves in which meant draining the system and therefore the old product


    Posted by a reviewer on Amazon

    One tip i would like to suggest is that my second umax additive had partially set in the syringe and was difficult to pump out


    Posted by a reviewer on Amazon

    If this is the case just heat the syringe in hot water for half hour before use and the solution should completely liquify again


    Posted by a reviewer on Amazon

    Note that this product is designed for efficiency and saving money it does not give full protection against system corrosion etc


    Posted by a reviewer on Amazon

    Waiting to compare a few years use with the past


    Posted by a reviewer on Amazon

    Turned off and drained the some water from the smallest radiator then added the syringe contents


    Posted by a reviewer on Amazon

    After about 15 mins my radiators where piping hot compared to before


    Posted by a reviewer on Amazon

    Ive actually turned down 3 dials on the radiators and the overall ch temp on the boiler

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