https://communities.bentley.com/products/building/performance/f/hevacomp-forum/130505/same-loading-units-different-flowratesHi I have created a HWS system consisting largely of en-suits of bedrooms. Each en-suite has a two number of basins and 1 shower nozzle. They are calculated using the same method (BS EN 6700), and have the same loading units. They branch coming inen-USTelligent Community 12https://communities.bentley.com/thread/398302?ContentTypeID=1Thu, 12 Jan 2017 12:22:18 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:212c4a7f-712b-442c-b6aa-4a54c4688aa9Shane Regan<p>For&nbsp;other users&nbsp;who may experience the above -&nbsp;this issue was due to different pipe sizing standards at each outlet. Please find further details&nbsp;<a href="/products/building/performance/w/building_performance__wiki/32514.inconsistent-flow-rate-at-outlets">here.</a></p><div style="clear:both;"></div>https://communities.bentley.com/thread/398150?ContentTypeID=1Wed, 11 Jan 2017 15:43:18 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:dab6cc21-3209-40e4-9e91-7d8f9ef6bacdShane ReganHi Jamie,<br /> <br /> It&#39;s difficult to tell from the screenshots alone, but I see what you mean. If you could forward the project I should be able to find out the reason for this - could you please send me a Private Message (hover mouse over my name to do so) and I will send you a link to upload?<div style="clear:both;"></div>