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Table 4: Vent/Combustion Air Intake System Options
IV. Venting
A. General Guidelines (continued)
Vent & Intake Materials
Option
Penetration Through
Structure
Termination
Figures
Component
Table
Reference
Section
Standard CPVC/PVC
Two-Pipe, CPVC/PVC
Vent and PVC Air Intake
1
Intake
Horizontal Sidewall
90° Elbow w/ Screen
5, 6A, 6B
7A, 7B
A.B
Vent
Horizontal Sidewall
Coupling w/ Screen
2
Intake
Horizontal Sidewall
Ipex Low Profile
6D, 6E
7D
Vent
Horizontal Sidewall
3
Intake
Horizontal Sidewall
Ipex FGV Concentric
6G, 6H, 6J
7F
Vent
Horizontal Sidewall
4
Intake
Horizontal Sidewall
DiversiTech (HVENT)
6D, 6F
7E
Vent
Horizontal Sidewall
5
Intake
Horizontal Sidewall
DiversiTech (CVENT)
Concentric
6G, 6H, 6J
7G
Vent
Horizontal Sidewall
6
Intake
Horizontal Sidewall
90° Elbow w/ Screen
6C
7A, 7B
Vent
Vertical Roof
Coupling w/ Screen
7
Intake
Vertical Roof
(2) 90° Elbows w/ Screen
7A, 8
7C
Vent
Vertical Roof
Coupling w/ Screen
8
Intake
Vertical Roof
Ipex FGV Concentric
7B, 6H
7F
Vent
Vertical Roof
9
Intake
Vertical Roof
DiversiTech (CVENT)
Concentric
7C, 6H
7G
Vent
Vertical Roof
Optional Polypropylene
Two-pipe, Rigid PP
Vent or Flexible PP
Vent (Vertical Only) and
Rigid PP or PVC Air
Intake
10
Intake
Horizontal Sidewall
UV Resistant 90° Elbow
w/Screen
5, 6A, 6B
8, 9A, 9B,
9C, 9D
A, C
Vent
Horizontal Sidewall
UV Resistant Straight Pipe
w/Screen
11
Intake
Horizontal Sidewall
UV Resistant 90° Elbow
w/Screen
6C
Vent
Vertical Roof
UV Resistant Straight Pipe
w/Screen
12
Intake
Vertical Roof
(2) UV Resistant 90° Elbows
w/Screen
7A, 8
Vent
Vertical Roof
UV Resistant Straight Pipe
w/Screen
13
Intake
Horizontal Sidewall
UV Resistant 90° Elbow
w/Screen
16A, 16B
Vent
Vertical Roof
Polypropylene Flex Terminal
(B-vent Chase
used for vent only)
14
Intake
Vertical Roof
Polypropylene Flex Terminal
(B-vent Chase used for vent
and air intake)
16D, 16E
Vent
Vertical Roof
Optional Stainless Steel
Two-pipe, SS Vent and
Galvanized Steel or
PVC
Air Intake
15
Intake
Horizontal Sidewall
90° Elbow w/Screen
5, 6A, 6B
10A, 10B
A, D
Vent
Horizontal Sidewall
Straight Termination
w/Screen
16
Intake
Horizontal Sidewall
90° Elbow w/Screen
6C
Vent
Vertical Roof
Straight Termination
w/Screen
17
Intake
Vertical Roof
(2) 90° Elbows w/Screen
7A, 8
Vent
Vertical Roof
Straight Termination
w/Screen
p. For multiple boiler installations with horizontal wall terminals, maintain minimum 12 in. (300 mm) horizontal
distance between adjacent boiler vent terminals. Maintaining greater spacing is recommended to avoid
frost damage to building surfaces where vent terminations are placed.
q. For multiple boiler installations with vertical roof terminals, maintain minimum 12 in. (300 mm) horizontal
distance between adjacent boiler vent terminals.
Содержание Alpine ALP080B
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