If your boiler bangs and makes kettling type noises then it needs flushing with the correct cleaners. in this video I will tell you all that you need to know, how to do it for both Combi and conventional systems. A clean boiler is more efficient and saves money on heating bills. Your investment in time and money will be well repaid by cheaper bills.
To buy the correct cleaner and inhibitor use my Amazon link on my website. Al. http://www.dereton33.com/page86.html
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