Available in 4.2 and 5.6 K-Factor listings, UL-listed Model CC3 Sprinklers are designed for use with steel or CPVC piping in horizontal, combustible, concealed spaces up to 60 in. deep. These quick response sprinklers, with temperature rating of 200°F, provide protection of light hazard, combustible spaces as required by NFPA 13. Design is intended for installation with BlazeMaster® CPVC wet pipe systems as well as with steel wet pipe or dry pipe sprinkler systems.