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Why you should listen to the experts and NOT chemical heating additive sales people – certain ones anyway!
I recently read a document authored, sorry authored is the wrong word – as an author understands the subject matter – so we shall call it a collection of words, put together on a page, that actually serves very little purpose in any sort of informative way.
Now, I have met the person that I am referring too, the same person that cobbled the collection of words together in an effort to promote their product, and on one occasion I had a conversation with him about biomass. It was laughable how little he knew, yet he was actually seeing potential clients in an effort to sell them a biomass boiler!
Now that is one scary situation, a supposed ‘salesman’ that knew very little about the product he was selling.
And biomass boiler installations aren’t cheap!
Anyway, I digress.
After the reading the said collection of words I sought out the advice of a professional energy and environmental manager and engineer, he is also a well respected individual in the energy and environmental management industry.
This is a man that manages a portfolio of 17 buildings, some of which are substantial, and he has been extremely instrumental in obtaining a prestigious award – The Carbon Trust Standard, awarded for a reduction in carbon emissions. So, I can safely say he knows what he is talking about.
Here are his thoughts on power flushing a wet heating system.
If a system is allowed to get to a state where power-flushing is required in a commercial setting it raises concerns.
Companies have a responsibility to protect staff and public, an excessively dirty system suggests either they’re not taking their legionella responsibilities seriously and could end up in jail, or they’re not managing their legionella management company and could end up in jail – either way if someone was to become ill or die as a result of a lack of maintenance the outcome is likely to be jail (sermon over).
It is likely that power flushing will help improve a very dirty system, or possibly restore full circulation. It is equally likely that by this time the system will require a vast amount of maintenance, the good news is this is generally on the small bore pipe work, as the larger pipe work is less likely to become blocked.
I would firstly suggest a system test to determine the level of contamination, if the contamination was high, then I would suggest draining the system down putting a suitable propriety cleaning agent suitable for use with the components within the system (some systems have aluminium heat exchangers and the use of conventional cleaning agents, usually acid based can have deleterious effects).
Run the system for several days with the cleaning agent in the system (during refill of the system why not get a water meter fitted to the supply to give a system volume?), drain down the system and fit a magnetic or bag type cleaner into the return side of the heating system prior to the boiler, refill with clean water, inhibitor and EnergySaver.
A clean system will give an improved performance, reduction in electricity and boiler fuel, the magnetic cleaner will continue to collect the magnetite dislodged from within the system and improve performance, EnergySaver does what it says on the tin and the inhibitor will prevent further production of magnetite.
You may find afterwards there’s some increase in noise from the system, which can be improved with a noise suppressant for heating systems.
The cost of a system sample is significantly cheaper than a power-flush, which won’t always cure the problem, this may call for a good old fashioned plumber or heating engineer.
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So, I think we can safely say that whilst domestic wet heating systems can benefit from power flushing, commercial systems require more diagnosis to ascertain the exact nature of the problem prior to embarking on what will be a very expensive course of action – that may not be necessary – power flushing.
And always remember to use independent professionals to get independent advice before spending £££’s.
Click on the image below to see the symptoms which indicate that a wet heating system would benefit from a power flush and we can safely say that this applies mainly to domestic wet heating systems.
As we sell EnergySaver, which is a wet heating additive, the pre-installation service we provide does include power flushing as an option, but only after an independent system fluid test and report has been obtained and the opinion of an independent heating engineer has been sought.
We DO NOT the use ‘power flushing’ as a claim of enhancement for the product, nor do we use it to make up for lack of sales ability on the part of the salesman, and we certainly would never advise any client to spend what could be thousands of pounds on a process just to try and make a product look better.
Animated image courtesy of http://www.firstcallheating.co.uk