New Buck Corporation 21 Manual page 23

D. Vertical wall exit using (6" DVL Close Clearance 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 21 minimum clearance to combustibles.
BACK WALL BACK WALL
H
B
B G
E
E
A
A
MODEL 21 23" 9"
NOTE: All clearances are to combustibles without close clearance shields and pipe shield,
DVL Close Clearance pipe with elbow, and minimum floor protector.The clearances above may
be reduced. Follow NFPA-211 codes if available or follow instructions on (Pages 24, and 25).
CEILING
CENTER LINE
OF ELBOW
MARK PLUMB
LINE ON WALL
Figure 14.
Figure 13.
F
F
D
D
G
A B
NOTE:
Maintain 25"Minimum Clearance
DVL CLOSE
CLEARANCE
PIPE
C
C
C D E F G
9" 11.5" 8" 3" 16"
IN
SIDE
WALL
21
C
C
LISTED 2100° UL 103 HT TYP.
CHIMNEY REEFER TO
MANUFACTURER'S
INSTALLATION INSTRUCTION
LISTED 2100° UL 103 HT
TYP. CHIMNEY T-BOX
ASSEMBLY REEFER TO
MANUFACTURER'S
INSTALLATION
INSTRUCTION
WALL
PASS-THROUGH
CONNECTOR