Does anyone know of a descaler that you can use to clean out secondary heat exchangers that is cossh approved?
Descaler
- Thread starter Prof.plumb
- Start date
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anything you can buy over the counter i would think 
Been using amo kleen but the company i work for says i cant us it as is not cossh approved. Anyone know of any that are?
fernox
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anything you buy over the counter should be coshh aprroved but stick with fernox or sentinel. if you go for any other product phone them and ask for a data sheet.
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