Pros & Cons
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
Highlights
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
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