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VENTING FIREPLACE - TOP (continued)
Example of possible venting systems using one 90 degree elbow
Eight feet is listed as minimum vertical vent run with 20 feet of
maximum horizontal vent run. Vertical dimensions are based on
center line to center line of pipe. Horizontal dimensions are based
on center line of pipe to end of termination.
SEE GRAPH FOR PERMISSIBLE “H” AND “V” DIMENSIONS
FIRESTOP AT
CEILING LEVEL
Figure 43
Examples of possible venting systems using two 90 degree
elbows.
V is listed as minimum vertical dimensions and H1 + H2 is listed
as total of maximum horizontal dimensions. The maximum vertical
and horizontal distances for two 90 degree elbows as shown in
Figure 44
is 20 feet (6.1 m).
FIRESTOP AT
CEILING LEVEL
SEE GRAPH FOR PERMISSIBLE “H” AND “V” DIMENSIONS
NOTE: H1 AND H2 MUST BE ADDED TOGETHER TO USE CHART
Figure 44
B
C
A
CENTER OF ELBOW
STRAIGHT OUT
(MINIMUM)
D
C
B
V
H
FIREPLACE
SERIES
HARD ELBOW DIMENSIONS (in inches)
A
B
C
D
DVCP32
50-13/16
4-5/16
6-5/16
9-1/8
DVCP36
50-13/16
4
6
9-1/8
DVCP42
52-13/16
4
6
9-1/8
FIREPLACE
SERIES
FLEX PIPE 90 DEGREE BEND (in inches)
A
B
C
D
DVCP32
51-11/16
4-1/2
6-1/2
9-1/8
DVCP36
51-11/16
4-1/2
6-1/2
9-1/8
DVCP42
53-11/16
4-1/2
6-1/2
9-1/8
MINIMUM HOLE LOCATION DIMENSIONS FOR THROUGH THE
WALL HORIZONTAL INSTALLATIONS WITH 90 DEGREE ELBOW
AND 12-in RISE OFF TOP OF FIREPLACE
SEE FIGURE 38 ON PAGE 21 FOR PERMISSIBLE HORIZONTAL
AND VERTICAL DIMENSIONS.
Figure 45
