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SENJU Ok <br /> - SPRINKLER <br /> o <br /> Model RC-RES <br /> K-Factor: 4.9 SIN: SS8464 <br /> Residential Lead Free <br /> Flat Concealed Sprinkler, Pendent <br /> C&US LISTED NSF/ANSI/CAN 61&312 <br /> EU c us <br /> GENERAL DESCRIPTION <br /> The Model RC-RES Residential Flat Concealed Sprinklers are automatic sprinklers of the compressed fusible solder <br /> type. They are decorative and fast responding. The Cover Plate Assembly hides the Deflector, Heat Responsive Element <br /> etc., which is concealed above the ceiling. The cover plate has a flat profile, and its diameter is extremely small (2-5/8 <br /> inch, 68mm). The push-on and/or thread-on, thread-off design of the concealed cover plate assembly allows for easy <br /> installation of the cover plate. Therefore, the Model RC-RES should be your first choice when aesthetics is the major <br /> consideration for ultimate appeal and unbeatable performance is desired. The Model RC-RES is designed for residential <br /> occupancies and is perfect for use in homes, hotels and other living quarters. <br /> The Model RC-RES is to be used in wet pipe residential sprinkler systems for One- and Two- Family Dwellings and <br /> Manufactured Homes per NFPA 13D;wet pipe residential sprinkler systems for Residential Occupancies up to and Including <br /> Four Stories in Height per NFPA 13R; or, wet pipe sprinkler systems for the residential portions of any occupancies per <br /> NFPA 13. <br /> The Model RC-RES has a 4.9(70.6 LPM/bar'/2)K-factor that meets the required residential flow rates with minimal residual <br /> pressure, which allows for smaller pipe sizes and water supply requirements. For extended installation flexibility, the <br /> Model RC-RES provides 1/2 inch (12.8mm) vertical adjustment. This adjustment in installation decreases the need for <br /> precise cutting of the pipe that drops to the sprinkler and allows for a perfect fit with a range of pipe lengths. <br /> The heat sensitivity and water distribution design of Model RC-RES allows for an increased chance of residents to escape <br /> or evacuate in case of a fire. However, residential fire sprinkler systems are not a substitute for fire safety awareness or fire <br /> safety construction required by building codes. <br /> "Lead Free" is defined in the Reduction of Lead in Drinking Water Act(S.3874)endorsed by AWWA's Water Utility Council, <br /> and California Assembly Bill #1953 as having less than or equal to a weighted average of 0.25% lead in wetted surface of <br /> pipes, plumbing fittings and fixtures. <br /> 40 www.senjusprinkler.com Page 1 of 8 Document No.U085168• 02-08-2021 <br />