Description
The Reliable Model RFS42 Concealed Residential Horizontal Sidewall Sprinkler is a cULus listed 165°F (74°C) ordinary temperature rated flat-plate concealed sprinkler specially designed to fit within a 3½” or larger stud space. The sprinkler uses a push-on/pull-off flat cover plate assembly. The cover plate is attached to the skirt using 135°F (57°C) ordinary temperature classification solder. When the ambient temperature rises, the solder melts, allowing the the cover plate to release. The thermal element of the Model RFS42 is then exposed to the rising ambient temperature. The Model RFS42 sprinkler is listed for a maximum service pressure of 175 psi (12,0 bar).The sprinkler assembly is shipped with a protective cap, and is installed using the Model G6 Sprinkler Wrench