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Location of exit terminals of mechanical draft and direct-vent venting systems.
(Reference: National Fuel Gas Code ANSI Z223.1/NFPA 54 2002).
Fig. 4.1
Fig. 4.2 Multiple Vent Spacing*
*Note: Exhaust must extend out 1 foot
Fig. 4.4 Multiple Stainless Steel Horizontal Vent Kit Installation – Front View
Fig. 4.3 Multiple Stainless Steel Vertical Vent
Kit Installation – Front View
Figure 4.5: Multiple Boiler Installations
VENTING
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