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NOTE: If using a restrictor, use an IR gun to measure the glass
temperature after 1 hour of running, and ensure the glass temperature
is within limits and ensure that none of the media and no part of the
door has discoloured.
Section 3-3-1: Venting Layouts
Vertical Termination
V1
Figure 8. Vertical Termination
H1
V2
V1
4"/7" Venting (For reduced D36 and D48)
Vertical Min. V1+V2
Horizontal Max. H1
Minimum 24'' from top of unit before attaching an elbow
Vertical Min. V1+V2
Horizontal Max. H1
Minimum 36'' from top of unit before attaching an elbow
Figure 8.b Vertical Termination - 2 Elbows
XG0222
Vertical Termination
4"/7" Venting (For reduced D36
and D48)
Vertical Min.
Vertical Max.
5"/8" Venting (D36, D48, D72)
Vertical Min.
Vertical Max.
Vertical Termination - 2 Elbows
Vertical
Termination - 2
Elbows
3'
4'
5'
6'
7'
8'
2'
6'
10'
12'
15'
18'
5"/8" Venting (D36, D48, D72)
3'
4'
5'
6'
7'
8'
2'
6'
10'
12'
15'
18'
For vertically terminated vent runs:
Vertical runs require ordering the PVVR8 or PVVR15 restrictor. Lengthy
vertical runs will require the PVVR25 vertical vent restrictor (all installed
at the termination). When using these restrictors, the included firebox
restrictor size can be reduced or removed entirely.
V2
H2
3'
32'
Vertical Minimum V1+V2
Horizontal Maximum H1+H2
Minimum 24'' from top of unit before attaching an elbow
3'
32'
Vertical Minimum V1+V2
Horizontal Maximum H1+H2
Minimum 36'' from top of unit before attaching an elbow
Horizontal
Termination - 1
Elbow
H1
9'
10'
Vertical Minimum V1
21'
24'
Horizontal Maximum H1
Minimum 24'' from top of unit before attaching an elbow
9'
10'
Vertical Minimum V1
21'
24'
Horizontal Maximum H1
Minimum 36'' from top of unit before attaching an elbow
Installation
Vertical
Vertical Termination - 3 Elbows
Termination - 3
Elbows
H1
V1
4"/7" Venting (For reduced D36 and D48)
3'
4'
2'
6'
5"/8" Venting (D36, D48, D72)
3'
4'
2'
6'
Figure 8.c Vertical Termination - 3 Elbows
Horizontal Vent
Center
Horizontal Termination - 1 Elbow
PEL90° F/F
PEXT3
V1
4"/7" Venting (For reduced D36 and D48)
3'
4'
1'
6'
5"/8" Venting (D36, D48, D72)
3'
4'
2'
6'
Figure 8.d Horizontal Termination - 1 Elbow
5'
6'
7'
8'
9'
10'
10'
12'
15'
18'
21'
24'
5'
6'
7'
8'
9'
10'
10'
12'
15'
18'
21'
24'
PEL90° F/F
PEXT2
85¾"
73¾"
5'
6'
7'
8'
9'
10'
10'
12'
15'
18'
21'
24'
5'
6'
7'
8'
9'
10'
10'
12'
15'
18'
21'
24'
15
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