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Recessed Installation: Horizontal Sidewall Sprinklers <br /> 1/2"(12 mm) <br /> Reducing +/-3/8"(10 mm) <br /> Fitting Face of fitting 1-3/8"(35 mm)Maximum Recess <br /> to face of wall <br /> 1 4"-12" <br /> (102 mm-305 mm) <br /> � Deflector to ceiling� <br /> 2-�/41-15/16" 2-7/8" <br /> (57 2�mm) (49 mm) - - - - (73 mm) <br /> Dia.Hole Dia. Dia. <br /> 9/16"[14mm] <br /> 2 1/8"(54 mm)Minimum Recess <br /> Model F1 FIR Horizontal Sidewall Sprinkler <br /> with Model F1 Recessed Escutcheon <br /> 3/4"(19mm)Nominal Adjustment <br /> Fi_REC_HSW_NO FP <br /> 3/8"(16 mm) <br /> Reducing N <br /> /- 1/4"(6 mm) <br /> FittingFace offitting 1-5/8"(42 mm)Maximum Recess <br /> o 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 /> 2-1/8"(54 mm)Minimum Recess <br /> Model F1 FIR Horizontal Sidewall Sprinkler <br /> with Model F2 Recessed Escutcheon <br /> 1/2"(13mm)Nominal Adjustment <br /> 4 ift/1, <br /> Model F1 Recessed Escutcheon <br /> (Model F2 similar) <br /> Bulletin 028 Reliable Page 5 of 7 <br /> October 2022 www.reliablesprinkler.com <br />