What will make your sprinkler heads shoot out further if they are not getting all the way to where they need to cover?
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I'm assuming your talking from a design standpoint and not a real life scenario of actually testing a fused sprinkler. In real life, more pressure obviously, means more water throw. From a design standpoint, and according to the codes, sprinkler spacing is limited to the listing of the sprinkler or other design criteria in NFPA #13, 13R, 13D, etc.. once you exceed the maximum spacing limitations there is nothing else you can do other than add another sprinkler to cover what is needed.

You might also consider the 'small room provision' in NFPA #13 and see if this may solve your problem.

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First answer by ID1082667491. Last edit by Oremus. Contributor trust: 19 [recommend contributor]. Question popularity: 43 [recommend question]

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