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.
Senju Sprinkler fire sprinkler concealed head
![Senju Sprinkler fire sprinkler concealed head](http://www.supplyht.com/ext/resources/SHT/2015/Nov-2015/sht1115_Products_Senju.jpg?1448036916)