38714-5-0920
Page 19
INSTALLATION (CONT'D)
HORIZONTAL ONLY, STRAIGHT OUT THE BACK
“A” PIPE LENGTH
VENT CAP
WALL FIRESTOP/
THIMBLE
“B”
"A"
"B"
6"
5 1/8" to 6 1/2"
9"
8 1/8" to 9 1/2"
12"
11 1/8" to 12 1/2"
Figure 20
VERTICAL, 90° ELBOW TO HORIZONTAL OUT THE WALL
90º ELBOW
“A”
PIPE
LENGTH
VENT CAP
NOTE: 1 FOOT VERTICAL VENT (MIN.)
REQUIRED WHEN TOP VENTING
WITH HORIZONTAL TERMINATION
9” (229 MM)
MINIMUM
WALL FIRESTOP/
THIMBLE
“C”
“B”
"A"
"B"
"C"
6"
11 1/4" to 12 3/4"
4 3/4" to 6 1/4"
9"
14 1/4" to 15 3/4"
7 3/4" to 9 1/4"
12"
17 1/4" to 18 3/4"
10 3/4" to 12 1/4"
Figure 21