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Old 10-19-2012, 10:07 PM
bx24 bx24 is offline
LawnSite Senior Member
Join Date: Jun 2008
Location: MA/TX
Posts: 503
Sorry I am late but I have 12 zones (90 roters and rest sprays) and inlet pressure at 82 psig. Banged all the time and installed water hammer after sprinkler 1 inch tee inlet (to backflow) and all good now. Use Hunter jar heads.
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