The new Orca at Churchill hospital proves extremely effective 

Posted on February 14, 2016

The Orca copper and silver ionisation system at Churchill Hospital (part of the John Radcliffe in Oxfordshire) was installed at the beginning of this year and has completely eradicated Legionella at the site.

Pre-commissioning samples at 14 points showed a Legionella contamination percentage of 64.2%. This percentage has been reduced to 0% post Orca installation. 

It is another success story for the Orca and adds to the weight of data that proves just how effective our system is. For more information and to see the results for yourself please contact us at

After the great results seen at the Churchill unit, John Radcliffe hospital has installed a new Orca unit at the Womens Centre within their main building and we hope to install a further large system soon that will treat the rest of their site. 

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ProEconomy's reputation speaks volumes and the Orca system is highly regarded by those who have installed it.