Bulletin 178
December 2019
Page 4 of 5
www.reliablesprinkler.com
The Model J112SS pendent and upright sprinklers are cULus Listed for installation under concrete tee construction in accordance
with the following specific application criteria:
•
Max. Tee Depth: 2’- 6” (0.8m)
•
Max. Tee Stem Spacing: 7’- 6” (2.3m)
•
Min. Tee Stem Spacing: 3’- 0” (0.9m)
•
Max. Tee Length: 32’- 0” (9.8m) or baffles not less than the depth of the tees must be installed so that the longitudinal space
between baffles does not exceed 32ft (9.8m) in length.
•
Max. Deflector distance below Tee: 1” (25mm)
•
Comply with obstructions to the Sprinkler Discharge Pattern Development requirements of the NFPA13 where deflector is lo-
cated above bottom of tee.
Model J112SS Specific Application Criteria for Use Under Concrete Tee Construction cULus Listed
Figure 5
Model F1 Escutcheon
Installation Dimensions
Figure 4
Model FP Escutcheon
Installation Dimensions
Figure 3
Application and Installation for Use Under Concrete Tee
1” (25mm) max.
1” (25mm) max.
2’-6” (0.8m)
max.
7’-6” (2.3m) max.
3’-0” (0.9m) min.
Note: The Model FP or F1 may be used for ordinary hazard occupancies. For light hazard occupancies, the Model FP recessed
escutcheon must be used. Model J112SS sprinklers with Model F1 recessed escutcheon are not listed for use in light hazard
occupancies.
