ADEY welcomes British Standard for better system care

Global water treatment and magnetic filtration manufacturer, ADEY, welcomes the publication of the new British Standard, BS 7593:2019, which it believes marks a significant turning point for the industry, helping to drive the adoption of best practice in whole system health, not simply boiler protection.

The revised standard for the preparation, commissioning and maintenance of domestic heating and cooling water systems came into effect on 31 May 2019, superseding BS 7593:2006 which was immediately withdrawn. The standard now includes the following key changes for those specifying, installing and maintaining domestic heating and cooling systems:

  • For the first time, the fitting of a permanent in-line filter is required in addition to a chemical clean and fresh water flush before inhibitor is added
  • An in-line filter should be fitted to ALL systems
  • All recommended cleaning methodologies can be improved with external magnetite capture equipment and mechanical vibration of radiators
  • A water test is required to test the level of inhibitor and cleanliness of the system every year
  • Inhibitor should be re-dosed every five-years or a full system water test undertaken
  • BS 7593:2019 is now applicable to both closed loop heating and cooling circuits
  • Biocide is required in cooling and low temperature heating systems, and should be considered for higher temperature systems for added protection during downtime

The changes aim to drive greater consideration for correct water treatment chemistry and filtration including prevention, maintenance and monitoring to properly protect a system for the long term.

Dr Neil Watson, ADEY’s Chief Technical Officer, explains: “We welcome the publication of the fully revised BS 7593:2019. The changes made acknowledge that chemical water treatment isn’t a fit and forget solution, and magnetic filters shouldn’t just be considered a ‘nice to have’. Including these solutions in British Standard’s BS 7593 recognises a critical shift in moving the industry towards a holistic approach to system maintenance.

“A high proportion of boilers that fail in the first year do so because of poor water quality, so by introducing regular testing and redosing, proper system cleaning and the mandatory installation of an in-line filter to the industry’s code of practice, we can significantly improve the efficiency and life expectancy of every household system. This represents massive potential to contribute to the reduction of carbon emissions.”

Download our quick guide to BS 7593:2019

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