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AM Series Boiler & Water Heater User Manual
CHAPTER 6: INSTALL – VENT & COMBUSTION AIR PIPING
NOTE
Minimum
clearances to
grade may be
higher depending
on snow line.
Figure 6-4: Vent Locations and Clearances for Direct Venting
6.5.7 Sidewall Termination - Two pipes
Installation must comply with local requirements and with the National Fuel Gas Code, ANSI
Z223.1 for U.S. installations or CSA B149.1 for Canadian installations.
CAUTION!
A gas vent extending through an exterior wall shall not terminate adjacent to a wall or below
building extensions such as eaves, parapets, balconies, or decks.
Figure 6-5: Sidewall Termination of Air and Vent Pipes
OMM-0100_E • GF-146 • 11/15/2019
If space permits:
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Page 74 of 170
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