2-1/4"
(57 mm)
Dia.
Hole
1-15/16"
(49 mm)
Dia.
2-1/4"
(57 mm)
Dia.
Hole
1-15/16"
(49 mm)
DIA.
2-7/8"
(73 mm)
Dia.
2-7/8"
(73 mm)
Dia.
2-1/8" (54 mm) Minimum Recess
1-5/8" (42 mm) Maximum Recess
2 1/8" (54 mm) Minimum Recess
1-3/8" (35 mm) Maximum Recess
2-5/8"
(67 mm)
Dia
Hole.
2-5/16"
(58 mm)
Dia.
3-1/4"
(83 mm)
Dia.
1-1/4" (32 mm)
+/- 1/4" (6 mm)
Face of fitting
to face of wall
1-3/8" (35 mm) Minimum Recess
7/8" (22 mm) Maximum Recess
3/8" (16 mm)
+/- 1/4" (6 mm)
Face of fitting
to face of wall
1/2" (12 mm)
+/- 3/8" (10 mm)
Face of fitting
to face of wall
4" - 12"
(102 mm - 305 mm)
Deflector to ceiling
F1_REC_HSW_SWC
Reducing
Fitting
Reducing
Fitting
Reducing
Fitting
9/16" [14mm]
Model F1FR Horizontal Sidewall Sprinkler
with Model FP Recessed Escutcheon
1/2" (13mm) Nominal Adjustment
Model F1FR Horizontal Sidewall Sprinkler
with Model F2 Recessed Escutcheon
1/2" (13mm) Nominal Adjustment
Model F1FR Horizontal Sidewall Sprinkler
with Model F1 Recessed Escutcheon
3/4" (19mm) Nominal Adjustment
4" - 12"
(102 mm - 305 mm)
Deflector to ceiling
9/16" [14mm]
4" - 12"
(102 mm - 305 mm)
Deflector to ceiling
9/16" [14mm]
Note: Model FP recessed assemblies may not be used where the pressure in the space behind
the sprinkler is positive with respect to the space in the protected area. Ensure that the
openings in the Model FP cup are unobstructed following installation.
Vented Cup
1-1/4" (32 mm)
+/- 1/4" (6 mm)
Face of Fitting to
face of wall
1 9/16" (40 mm) NOMINAL PROJECTION
2-5/8"
(67 mm)
Dia
Hole.
2-5/16"
(58 mm)
Dia.
Reducing
Fitting
Vented Cup
9/16" [14mm]
4" - 12"
(102 mm - 305 mm)
Deflector to ceiling
3 5/16" [84mm]
Model F1FR Horizontal Sidewall Sprinkler
with Model SWC Concealed Cover Plate
1/2" (13mm) Nominal Adjustment
Note: Model SWC concealed assemblies may not be used where the pressure in the space
behind the sprinkler is positive with respect to the space in the protected area. Ensure that the
openings in the Model SWC cup are unobstructed following installation.
Recessed and Concealed Installation: Horizontal Sidewall Sprinklers
Figure 5
SWC Cover Plate
Bulletin 077
October 2022
Page 6 of 8
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