New Buck Corporation FS 21 User Manual
Page 11
Page 9
B. Vertical wall exit using (6" Single wall minimum 24 ga. blued or
black pipe with elbow and any listed 2100° UL 103 HT.
TYPE Chimney and Listed 2100° UL HT. T-Box assembly).
Without optional close clearance shield and pipe shield
Model FS 21 minimum clearance to combustibles
C
C
C
C
NOTE: All clearances are to combustibles without close clearance shields and pipe shield, 6"
Single Wall minimum 24 ga. blued or black pipe with elbow and minimum floor
protector.Clearances above may be reduced. Follow NFPA-211 codes if available or follow
instructions on (Pages 12, and 13).
Figure 4.
A B C D E F G
MODEL 21 25”
13" 13" 15.5"
8" 6” 16"
SINGLE WALL
CONNECTOR
ELBOW PIPE
IN
SIDE
WALL
CEILING
Maintain 18"Minimum Clearance
WALL
PASS-THROUGH
CONNECTOR
CENTER LINE
OF ELBOW
MARK PLUMB
LINE ON WALL
LISTED 2100° UL 103 HT TYP.
CHIMNEY REFER TO
MANUFACTURER’S
INSTALLATION INSTRUCTION
LISTED 2100° UL 103 HT
TYP. CHIMNEY T-BOX
ASSEMBLY REFER TO
MANUFACTURER’S
INSTALLATION
INSTRUCTION
Figure 5.
NOTE:
BACK WALL
A
E
B
F
D
G
A
E
B
D
F
BACK WALL
SIDE WALL
PROTE
C
TO
R P
A
D
G
H