Preaction Systems
Reliable Automatic Sprinkler Co., Inc. has announced the availability of its PrePaK 4" and 6" Single and Double Interlock Preaction Systems. Single or double interlock option can be chosen by a simple code change on the programmable panel. The PrePaKs feature a 7 to 10 psi air pressure range for either single or double interlock preaction. The 1 1/2", 2 1/2", 4" and 6" PrePaKs are UL Listed and cUL certified. www.reliablespriker.com Reliable Automatic Sprinkler Co.