I recently acquired a project where I'm replacing all sprinkler in a residential home. Apparently the original sprinkler heads were the OMEGA that were recalled some years ago on.
These specific heads had a K=factor of 3.9 and although I have found only one direct replacement with the 3.9 K=factor, they are not cheap!
My question is what would be an alternative replacement to these k-3.9 Omegas, and would replacements need to be the same k-factor?
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