Restrictor Plate Guide; Horizontal Termination; Vertical Termination - Majestic Vermont Castings Chateau DVT38S2 Installation Instructions And Homeowner's Manual

Chateau Decorative Gas Appliance
™
upper elbow to a structural framing member.
For vertical installations, continue installing the pipe as
required until pipe is installed up through the ceiling. At
this point, you must install a firestop spacer.
Pipe Section
Fig. 13 Install pipe, listening for the snap-lock to fasten.

Restrictor Plate Guide

Application
SK8DVSK or
2' (610mm) vertical elbow,
2' (610mm) horizontal
4' (1.2m) vertical elbow
10' (3m) horizontal elbow
8' (2.4m) vertical
12' (3.7m) vertical & greater 6³⁄₄" flue

Horizontal Termination

The vent must rise vertically a minimum of 24"
(610mm) off the top of the unit, before the first elbow.
The horizontal run may extend up to 20' (6m) and
include a vertical rise of up to 40' (12m). (Fig. 14)
Horizontal termination must also meet the criteria
shown in Figures 11 & 12.
•
Approved vent systems must terminate above and
including the heavy line in Figure 14.
•
Two 45° elbows may be substituted for each single
90° elbow.
•
With a rise between 2' - 4', one (1) 90° or two (2)
45° elbows may be used.

Vertical Termination

A vertical vent system must terminate no less than 12'
(3.66m) and no more than 40' (12m) above the appli-
ance flue collar. A 2' (610mm) vertical section must be
installed before any offset. A maximum of 20' (6.1m)
horizontal and three (3) 90° elbows may be installed
12
Pipe
Rim
Hem
Lance
Pipe
Rim
FP1468
NG LP
None None
4¹⁄₂" flue
None restrictor
6³⁄₄" flue
restrictor restrictor
with a minimum of 12' (3.66m) vertical section above
the flue collar of the unit. Refer to Page 15, Figure 24
for more information.
A vertically terminated vent system must also conform
to the following criteria:
•
No more than three (3) 90° elbows may be used.
•
Two (2) 45° elbows may be substituted for one (1)
90° elbow. No more than six (6) elbows may be
used.
•
Vent must rise a minimum of 2' (610mm) before
offset is used.
•
Termination height must conform to roof clearance
as specified in Figure 33.
40
39
38
37
36
35
34
33
32
31
30
29
28
27
May use up to
26
three (3) 90°
25
elbows, but must
24
not have two (2)
23
consecutive 90°
22
horizontal plane
21
20
19
18
16
15
14
13
12
11
10
9
8
7
6
May use
5
one (1)
4
elbow
3
only
2
1
0
1 2 3 4 5 6
Horizontal Run (in feet)
Fig. 14 Horizontal vent termination window.
elbows in
Unacceptable
venting configuration
7 8 9 10 11 12 13 14 15 16 17 18 19 20
20007172
FP1359