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Flush Pendent Sprinkler
ZN-RES 4.2K (SS4421)
Features
Solder type.
Ideal for use in wet pipe
residential sprinkler systems
per NFPA 13D, 13R, and 13.
Approved for special
applications with beamed
ceilings.
Can be installed in fewer
steps and less time.
Required Wrench Socket: VC-H
Technical Data
Approvals
cULus Listed
K Factor
K= 4.2 (60.5)
Thread Size
NPT1/2"
Temperature 162
°
F / 72
°
C,
175
°F / 79°C
Vertical
Adjustment
3/8 inch (9.5 mm)
Standard
White, Chrome,
Finish
Black, Dark Brown
Maximum
Coverage
Area
Minimum Flow and Pressure
12’ x 12’
(3.7m x 3.7m)
13GPM
(49.2 LPM)
9.6psi
(0.66 bar)
13GPM
(49.2 LPM)
9.6psi
(0.66 bar)
13GPM
(49.2 LPM)
9.6psi
(0.66 bar)
14GPM
(53.0 LPM)
11.1psi
(0.77 bar)
14GPM
(53.0 LPM)
11.1psi
(0.77 bar)
19GPM
(71.9 LPM)
20.5psi
(1.41 bar)
14GPM
(53.0 LPM)
11.1psi
(0.77 bar)
18GPM
(68.1 LPM)
18.4psi
(1.27 bar)
22GPM
(83.3 LPM)
27.4psi
(1.89 bar)
14’ x 14’
(4.3m x 4.3m)
16’ x 16’
(4.9m x 4.9m)
18’ x 18’
(5.5m x 5.5m)
20’ x 20’
(6.1m x 6.1m)
For Ceiling types refer to 2013 Edition of NFPA 13D, 13R, or 13
Ordinary Temp. Rating
162°F / 72°C
Intermediate Temp.
Rating
175°F / 79°C
Heat
Collector
to Ceiling
23/32 to
1-3/32
inches
Flush
with
Escutcheon
8’
(2.4m)
(18.3 to
27.8mm)
Installation
Type
Minimum
Spacing
Flush Horizontal Sidewall Sprinkler
HF-RES 4.2K (SS4423)
Features
Solder type.
Ideal for use in wet pipe
residential sprinkler systems
as per NFPA 13D,13R, and 13.
Can be installed in fewer steps
and less time.
Required Wrench Socket: HF-H
Technical Data
Approvals
cULus Listed
K Factor
K= 4.2 (60.5)
Thread Size NPT1/2"
Temperature 162°F / 72°C
Horizontal
Adjustment 3/16 inch (4.7 mm)
Standard
White, Chrome,
Finish
Black, Dark Brown
Maximum
Coverage
Area
Minimum Flow and Pressure
12’ x 12’
(3.7m x 3.7m)
13GPM
(49.2 LPM)
9.6psi
(0.66 bar)
16GPM
(60.6 LPM)
14.5psi
(1.00 bar)
22.7psi
(1.56 bar)
20GPM
(75.7 LPM)
14’ x 14’
(4.3m x 4.3m)
(4.9m x 4.9m)
16’ x 16’
Ordinary Temp. Rating
162°F / 72°C
Top of
Deflector to
Ceiling
4 to 6 inches
Flush with
Escutcheon
8’
(2.4m)
(101 to 152mm)
Installation
Type
Minimum
Spacing
For Ceiling types refer to 2013 Edition of NFPA 13D, 13R, or 13
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Residential Sprinklers