
17
A. General Venng Guidelines
1. Install vent system in accordance with Naonal
Fuel Gas Code, ANSI Z223.1/NFPA 54 or Natural
a.
3.
manual may be acceptable. It is the responsibility
adapters and materials.
a. It is recommended to consult with venting
4. Enclose vent passing through occupied or
unoccupied spaces above the appliance with
5.
6.
7.
8.
B. Venng Design Requirements
venting system can be designed by consulting
equivalent length method in this manual.
1. Engineered Venng Method
characteristics and required conditions, an
individual or common venting system can be
An equipment room under negative pressure
Failure to install the appliance in accordance with
this manual can cause property damage, personal
a.
.
b. and Oranges are shown in
.
c.
d.
e. Manifolded venng
with the other appliances in the system. Common
2. Equivalent length method:
.
.
prohibited.
installing vent support, drainage, and pitch.
system length.