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Long sweep Els

knotgrumpy
knotgrumpy Member Posts: 211
in THE MAIN WALL
Do long sweep elbows make a large difference in resistance to flow in a copper tubing hydronic system? Charts I see list an elbow in, 3/4" for instance, as adding the equivalent of 2' to HL calculations.





I see photos of systems using either type of fitting.  Any rule or just a preference?



Thanks,



Mark
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