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Residential Sprinklers
Flat Concealed Pendent Sprinkler
CN-RES 4.9K (SS8421)
Approvals
cULus Listed
K Factor
K= 4.9 (70.6)
Thread Size
NPT1/2"
Temperature
162°F / 72°C Sprinkler with
140°F / 60°C Cover Plate
Vertical Adjustment
3/8 inch (9.5 mm)
Standard Finish White, Ivory, Beige, Black,
Brown, Nickel and Wood Grain
Technical Data
For Ceiling types refer to 2013 Edition of NFPA 13D, 13R, or 13
Maximum
Coverage
Area
Minimum Flow and Pressure
12’ x 12’
(3.7m x 3.7m)
13GPM
(49.2 LPM)
7.0psi
(0.48 bar)
14GPM
(53.0 LPM)
8.2psi
(0.56 bar)
15GPM
(56.8 LPM)
9.4psi
(0.65 bar)
19GPM
(71.9 LPM)
15.0GPM
(1.03 bar)
14’ x 14’
(4.3m x 4.3m)
16’ x 16’
(4.9m x 4.9m)
(5.5m x 5.5m)
18’ x 18’
Ordinary Temp. Rating
162°F / 72°C Sprinkler
with 140°F / 60°C
Cover Plate
Heat
Collector
to Ceiling
Installation
Type
Minimum
Spacing
-3/16 to 3/16
inches
Concealed
with
Cover
Plate
8’
(2.4m)
(-4.8 to
4.8mm)
Features
Required Wrench Socket: VC-H
Solder type.
Ideal for use in wet pipe.
residential sprinkler systems
per NFPA 13D, 13R, and 13.
Industry’s smallest cover plate,
just 2-3/8” (60mm) in diameter.
Cover plates are available in
nine standard finishes and
unlimited custom color and
pattern finishes.
Can be installed in fewer steps
and less time.