AERCO AM Series Boiler User Manual - Manual (Page 78)

AM Series Boilers and Water Heaters
CHAPTER 3 – INSTALLATION
Page 78 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14
Ph.: 800-526-0288
GF-146
3.16.5.21 Installing Multiple Vent and Air Vertical Terminations
Install multiple vent and air terminations in a roof as follows:
Installing Vertical Multiple Vent and Air Roof Terminations
1. When terminating multiple units, terminate each vent/air connection as shown in Figure 3-
38.
2. Place roof penetrations to obtain minimum clearance of 12 inches between edge of air
intake elbow and adjacent vent pipe of another appliance for U.S. installations
3. The air inlet is part of a direct vent connection. It is not classified as a forced air intake with
regard to spacing from adjacent appliance vents.
Figure 3-38: Installing Multiple Vent and Air Vertical Terminations – Two
Alternatives