Tyco Fire Protection Products introduces its model RM-1 riser manifold available for commercial and residential applications. The unit has a watertight, flat surface design to help prevent leaks. Other features include a pressure gauge, alarm test orifice, drain and sight glasses housed in a single assembly for use in NFPA 13 commercial sprinkler systems. With a maximum working pressure of 300 psi, the riser manifold may be installed either in a horizontal or vertical orientation.