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ECOH, K=11.4 or K=14.0

ECOH, K=11.4 or K=14.0

ECOH, K=11.4 or K=14.0

(OP)
In parkings floors, in a high rise building, for a extended coverage of 400 sq ft per sprinkler head can I use ECOH with K=11.4 or else?  Pressure here is not and issue.

RE: ECOH, K=11.4 or K=14.0

K11.2 is about the smallest K-Factor you will get for ECOH.  If pressure is not a concern, then the K11.2 should be a couple dollars less per head.  Use Tyco EC11 or something comparable from Reliable or Viking (or any other you choose.)

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