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The updated British Standard, BS 7593:2019 Code of practice for the preparation, commissioning and maintenance of domestic central heating and cooling water systems, replaces the BS 7593:2006 version and contains some key updates.
BS 7593:2019 contains key changes in the areas of cleaning, protection and maintenance of heating and cooling systems that will impact engineers approach to best practice water treatment.
Top 5 changes in BS 7593:2019
1. Protection of cooling systems now includes open vented or sealed cooling systems
2.Installation of in-line filters to protect system components
3.There are still only three recommended cleaning methodologies, power flushing, mains pressure and gravity cleaning
4.Inhibitor should be re-dosed at 5 year intervals
5. Annual checks for concentration of chemicals and water cleanliness
6. Biocidal and frost protection should be used where applicable
