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Bulletin 048 Rev.A Model RFS42 p° bid Residential Flat Concealed Horizontal Sidewall Sprinkler 4, (SIN RA4835) Coverage to 16 ft. x 20 ft. (4.9m x 6.1 m) Features: 1. Flat cover plate (Solid or Perforated) for a flush, concealed wall finish. 2. 4.2(60 metric) K Factor. 3. Sized to fit in a 31" or larger stud space even when installed directly in a TorqueSafeTM 90° . Sprinkler Head Elbow** and several other common 1/2" and 3/4" by 1/2" sprinkler fittings. 4. Push-on/pull-off flat cover plate. Application and Installation 5. Sprinkler shipped complete with factory installed The Model RFS42 sprinkler is intended for installation in the protective cap. residential portions of any occupancy in accordance with 6. Sprinkler assembly and cover plate packaged NFPA 13, 13R& 13D.The sprinkler is listed as a Concealed separately. Residential Horizontal Sidewall Sprinkler using a smooth, 7. '/" (3.2 mm)cover plate adjustment. flat, horizontal ceiling. System design and installation re- 8. Cover plate available, either solid or perforated, quirements for other ceiling configurations are described in in a wide variety of colors and finishes. NFPA 13, 13R or 13D,as applicable. The minimum listed spacing between Model RFS42 sprin- Listings & Approvals klers is 8 ft(2.4 m). 1. Listed by Underwriters Laboratories Inc. and The low flow RFS42RES sprinklers are specifically engi- UL certified for Canada (cULus). neered to meet the latest residential sprinkler listing stan- UL Listing Category dards(UL 1626 Standard).* Residential Automatic Sprinklers The sprinkler must be installed and properly oriented with the Model G6 Wrench, as follows: UL Guide Number Do not remove the factory installed plastic protective cap VKKW since it is sized to fit inside the G6 wrench. Note that the sprinkler can only mate when the sprinkler's deflector orien- Patents: tation tab (Fig. 1) is aligned with wrench's key-way.The G6 U.S. Patent No.7,353,882, other Patents pending wrench is provided with bubble level pad and TOP mark- Product Description ing, to allow the proper orientation of the horizontal sidewall The Reliable Model RFS42 Concealed Residential Extend- deflector. Final leveling can be done after leak proof joint is ed Coverage Horizontal Sidewall Sprinkler is an attractive, obtained with a minimum to maximum torque of 8 to 18 ft-lbs concealed sprinkler assembly specially sized to fit within (11 to 24 N•m). Leave the protective cap on to protect the a 31/2" or larger stud space. The sprinkler uses a push-on/ sprinkler while the wall is plastered,wallpapered or painted. pull-off flat cover plate assembly. The sprinkler assembly is The protective cap must be removed and the listed cover shipped with a protective cap. plate installed prior to the sprinkler system being placed in The flat cover plate is attached to the skirt using 135°F service.A 25/8"(67 mm)diameter hole must be cut in the wall (57°C)ordinary temperature classification solder. The sprin- for the sprinkler assembly to extend through. kler is installed into the sprinkler fitting using the Model G6 Concealed cover plate/cup assemblies are listed only for Sprinkler Wrench. use with specific sprinklers. The use of any other concealed When the ambient temperature rises, the solder holding cover plate/cup assembly with the Model RFS42 Horizontal the cover plate melts, allowing the release of this part and Sidewall Sprinkler or the use of this dedicated concealed thus exposing the sprinkler inside to the rising ambient tem- cover plate assembly on any sprinkler with which it is not e re. specifically listed will void all guarantees,warranties, listings peratu This sprinkler is listed for a maximum service pressure of and approvals. 175 psi(12,0 bar). * Effective date 3/14/2008 **Spears Manufacturing Company Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523