A Powerflush for central heating is much more like a boiler repair than a matter of maintenance. During the years I have been working as a central heating
engineer in southeast London, I have found ample proof that powerflushing only needs to be done once, and is certainly not needed every so many years.
If you have been told you need your system needs to be powerflushed, and you need someone to do it completely as it should be done, or to find out more about powerflushing or otherwise cleaning your boiler and radiators, call:
If you're suspicious of what you've already been told about a powerflush or your central heating by a central heating engineer, you may want to check if you are
possibly in danger of being ripped off.
How to avoid common central heating cons and rip offs
Unscrupulous and/or incompetent plumbers often use two cop outs to pad the bill or hide the fact they don't have a clue what the real problem is. "You need a new boiler" and "the system needs to be powerflushed" are rarely true in the sense that it will be the solution to all the problems.
In many parts of the country we have limescale in the water, and this is especially true around southeast London, Bromley and Croydon.
If you want to know what the inside of your central heating system looks like after a number of years, look at the inside of your kettle. Now multiply that by the amount of hours you use hot water or central heating compared to how many minutes the kettle is actually on.
Limescale on its own is bad enough, but there is more. The inside or your radiators virtually always untreated steel. Together with water and heat, you get rust formation. This rust plus the limescale forms particles. These particles can vary in size from tiny dust-specks, to quite sizeable chunks, sometimes up to the size of raisins. These bits move through your system, and tend to end up at two places. The bottom of your pipes and radiators, and anywhere else where there is a narrow passage. That includes any type of valve, sharp bends in pipes, and of course the place where you want them the least: in your boiler.
In almost every case, using chemicals to clean the system will do something. They both have their advantages and their downsides.
Provided the system is suitable, a powerflush can be do it in one day for most houses of the type and size that you find most in south east London. A chemical flush is quiet, a good heating engineer can almost never be done in one day. It can even require 4 or 5 visits. If you happen to work quite a way from home, that would mean taking 5 days of; effectively costing you a week's holiday. A powerflush would be much more attractive in this case.
There are also situations where chemicals alone simply won't do the job, and you need pressure. Sometimes a system simply does not lend itself to powerflushing, and chemicals are the way to go. Depending on the time of year, and where the main concentration of the debris is, this can take a month.
Whether treated with a powerflush or an alternative way of dealing with the problem, it is very rarely a matter of simply sticking the machine on or
adding the chemicals, and that is it. Apart from the fact that it usually takes quite a bit more than that to actually clean the system properly, you also need to get rid
of the dirt. That is a job in itself.
More than once have I come across people that assured me the problem could not be down to sludge or corrosion. Invariably, they would tell me they were sure because the system had already been treated either by the owner or they had paid a heating engineer to do it for them. The problem is that if you just manage to loosen up the debris but don't remove it adequately, it simply shifts to a different place. Without fail, although it seemed that the problem was solved, it would always come back.
As you know after reading the insider knowledge on this page, a top quality powerflushing job of your central heating system involves a lot more
than just attaching a machine whilst the engineer is doing something else. It does need a lot more, including plenty of elbow grease and a large amount of running
around diverting the flow through the pipes and radiators.
That is why my powerflusing is guaranteed. As with my boiler repair service, I guarantee to solve the problem or you don't pay, it's as simple as that.
I have powerflushed a large number of central heating systems in southeast London, and they have all worked fine since. As in most subjects involved in
getting the house warm and the water hot again, there is no one magic way of doing it. You need to know what to look for and how to correct the problem by using the best
method. Only by combining knowledge with experience and applying those skills with hard work, is it possible to say to the customer that you will never need a
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