
25
Majestic MARQ36IN-B, MARQ42IN-B Installation Manual • 2614-980 Rev. D • 4/19
Three Elbows
MARQ36IN-B (NG/PROPANE), MARQ42IN-B (NG)
V
1
H
1
H
2
V
2
H
t
Max.
2 ft
610 mm
*
*
**
7 in
178 mm
3 ft
914 mm
*
*
**
2 ft
610 mm
4 ft
1.2 m
*
*
**
4 ft
1.2 m
5 ft
1.5 m
*
*
**
8 ft
2.4 m
6 ft
1.8 m
*
*
**
12 ft
3.7 m
7 ft
2.1 m
*
*
**
14 ft
4.3 m
10 ft
3.0 m
*
*
**
20 ft
6.1 m
Shaded area of chart is for MARQ42IN-B (Propane)
*H
1
and H
2
has no specific restrictions EXCEPT,
after V
1
= 6 ft, then H
TOTAL
Max = 2 x V
1
**V
TOTAL +
H
TOTAL
= 50 ft (15.2 m) Max.
Note:
Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
INSTALLED
HORIZONTALLY
H
1
H
2
V
1
V
2
Top Vent - Vertical Termination
- (continued)
Figure 4.16
WARNING! Risk of Fire!
••
MARQ36IN-B (NG/Propane) and MARQ42IN-B (NG) models require
a minimum of 24 inches of vertical venting before attaching any elbow
to the appliance.
• MARQ42IN-B (Propane) model requires a minimum of 36 inches of
vertical venting before attaching any elbow to the appliance.
DO NOT attach elbow directly to the appliance.