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Recessed Installation: Horizontal Sidewall Sprinklers <br /> 1/2"(12 mm) <br /> Reducing +/ 3/8"(10 mm) 1-3/8"(35 mm)Maximum Recess <br /> Fitting Face of fitting <br /> to face of wall <br /> 1 4,�_12" <br /> (102 mm-305 mm) <br /> Deflector to ceiling <br /> 2-1/4" 1-15/16" 2-7/8" <br /> (57 mm) (49 mm) - - - - (73 mm) <br /> Dia.Hole Dia. Dia. <br /> 1 9/16"[14mm] <br /> F1 Recessed escutcheon <br /> 3/4"(19 mm)Adjustment E 2 1/8"(54 mm)Minimum Recess <br /> Model F1FR Horizontal Sidewall Sprinkler <br /> with Model F1 Recessed Escutcheon <br /> 3/4"(19mm)Nominal Adjustment HFR REC-HSW <br /> 3/8"(16 mm) <br /> ReducingN/ 1/4"(6 mm) <br /> FittingFace of fitting 1-5/8"(42 mm)Maximum Recess <br /> o face of wall <br /> 1 4'-_12" <br /> (102 mm-305 mm) <br /> T9/16- <br /> Deflector to ceiling <br /> 2-1/4" 1-15/16" 2-7/8" <br /> (57 mm) (49 mm) - - - - - (73 mm) <br /> Dia. DIA. Dia. <br /> Hole14mm] <br /> F2 Recessed escutcheon <br /> 1/2"(13 mm)Adjustment 2-1/8"(54 mm)Minimum Recess <br /> Model F1FR Horizontal Sidewall Sprinkler <br /> with Model F2 Recessed Escutcheon <br /> 1/2"(13mm)Nominal Adjustment <br /> 1-1/4"(32 mm) <br /> Reducing +/- 1/4"(6 mm) <br /> Fitting Face of fitting 7/8"(22 mm)Maximum Recess <br /> to face of wall <br /> 1 4"_12" <br /> (102 mm-305 mm) <br /> Deflector to ceiling <br /> 2-5/8" 2-5/16" 3-1/4" <br /> (67 mm) (58 mm) - - - - (83 mm) <br /> Dia Dia. Dia. <br /> Hale. <br /> 9/16"[14mm] <br /> Vented Cup 1-3/8"(35 mm)Minimum Recess <br /> Model F1FR Horizontal Sidewall Sprinkler <br /> with Model FP Recessed Escutcheon <br /> 1/2"(13mm)Nominal Adjustment <br /> Note:Model FP recessed assemblies may not be used where the <br /> pressure in the space behind the sprinkler is positive with respect <br /> to the space in the protected area. Ensure that the openings in <br /> the Model FP cup are unobstructed following installation. <br /> Bulletin 074 Reliable Page 7 of 9 <br /> January 2024 www.reliablesprinkler.com <br />