Indescon Court at Canary Wharf
http://www.theade.co.uk/medialibrary/2014/12/04/7178f6eb/indescon.jpg
364 new apartments in 5 blocks served by district heating with individual heat exchangers in each apartment to control the flow and pressure for the supply of hot water and heating.
This case study supplied by SAV and Danfoss focuses on the function of the heat exchanger.
http://www.chpa.co.uk/medialibrary/2014/10/14/4aa3cccc/Canary-Wharf_CaseStory_lores.pdf