EPV SERIES CONDENSING WATER BOILER
34-501 07/13
10
Typical Locations for Vertical and Horizontal Vent Pipes
Vertical Venting
Figure 501-4
Horizontal Venting
Figure 501-5
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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, use sound engineering
judgment, considering prevailing winds, obstructions and the type vent termination used, etc.
•
Either flue or remote air intake can be roof or side wall vented.
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Maximum length of remote intake ducting is 100 equivalent feet.
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See Table 501-1 (page 7) for maximum length of combustion venting.