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Typical Locations for Vertical and Horizontal Vent Pipes
APPROVED
FOR:'-~
DO NOT TERMINATE
USE \\llH AIR
\
iN CONTAMINATED
INTAKE CAP
,
ATMOSPHERE
d
FLUE OUTLET
W/LiSTED CAP
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..
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l.~
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RElAOTE AIR INTAKE PIPE
Y: :
:
STANDARD
SINGlE-WAll
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I
:
METAL PIPE OR PVC
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I
SEWER
&
DRAIN
l-.-,
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CONDENSATE
DRAIN
CPVC FLUE VEKTING
Vertical Venting
Figure 19-4
, - - - - - - - - _ .
' - - - - - - - - - - - - - - - - - - ,
.- AGI0TE AlR lNTN<E P1P£
STANDARD SING\.[ WAlL
"'ETAl PIPE OR PVC SEWER
II;
VRAIN
" Horizontal Venting
,
Figure 19-5
•
Install flue outlet and fresh air inlet with adequate separation to prevent recirculation of combustion products.
Although the National Fuel Gas Code provides minimum clearances, sound engineering judgement should be
used, considering prevailing winds, obstructions and the type vent termination used, etc.
•
Either flue or remote air intake can be rootor side wall vented.
•
Maximum length of remote intake ducting is 100 equivalent feet.
•
See Table 19-1 for maximum length of combustion venting.
PV500·19 04·2005
8
Section 19
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