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Product Description
Model J112SS series sprinklers are cULus Listed extend-
ed coverage spray sprinklers intended for installation in
accordance with NFPA 13. Model J112SS sprinklers have
a frame, deflector, and cap made of Type 316 Stainless
Steel. Coverage areas up to 400 ft
2
(37 m
2
) per sprinkler
with a maximum spacing of up to 20 ft by 20 ft (6.1 m by
6.1 m) are permitted for both Light Hazard and Ordinary
Hazard occupancies. Listed flows and pressures for each
hazard classification and sprinkler spacing are provided in
this Bulletin. The Model J112SS is cULus Listed as quick-re-
sponse sprinklers for Light Hazard occupancies. When used
in the Ordinary Hazard occupancies, Model J112SS series
sprinklers are cULus Listed as quick-response for spacings
up to 14 ft by 14 ft (4.3 m by 4.3 m) and standard-response
for other listed spacings up to 20 ft by 20 ft (6.1 m by 6.1 m).
Model J112SS Pendent and J112SS Upright sprinklers
use a glass bulb operating element and are cULus Listed
as Corrosion Resistant Sprinklers. Model J112SS Pendent
sprinklers are cULus Listed for use with the Model FP re-
cessed escutcheon, which provides up to ½ inch (13 mm) of
adjustment. In addition, for Ordinary Hazard occupancies,
the Model J112SS Pendent sprinklers are cULus Listed for
use with the Model F1 recessed escutcheon that provides
up to ¾ inch (19 mm) of adjustment. Both escutcheons are
manufactured from Type 316 stainless steel alloy.
Application
Model J112SS series sprinklers are intended for installation
in Light Hazard and Ordinary Hazard occupancies in ac-
cordance with NFPA 13. The sprinklers must be installed in
accordance with the requirements of NFPA 13 for extended
coverage spray sprinklers and the requirements identified
in this Bulletin. In addition to the installation requirements
of NFPA 13, cULus Listed Specific Application Criteria for
installation under concrete tee construction is provided in
this Bulletin.
cULus Listed
K11.2 (160 metric)
Model J112 Stainless Steel Series Sprinklers
Extended Coverage Sprinklers
for Light Hazard and Ordinary Hazard
Bulletin 178 December 2019
Model J112SS Upright
Model J112SS Pendent
Model J112SS Sprinkler Summary
Model
Orientation
Sprinkler Identification Number (SIN)
J112SS
Pendent
R7816
J112SS
Upright
R7826
Table A
FP Recessed Escutcheon
F1 Recessed Escutcheon
