www.supplyht.com/articles/98999-senju-sprinkler-fire-sprinkler-concealed-head
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Senju Sprinkler fire sprinkler concealed head
November 20, 2015
Senju Sprinkler’s RC-RES 3.7K concealed sprinkler puts out 10 gpm and 7.3 psi for a 12-by-12 and 14-by-14 room size so a contractor does not have to upgrade the water meter and can maintain a 2 head calc with water to spare.