Exhaust Vent Terminal Location Clearance Requirements - StyleCrest Revolv VMA3-50D36N Installation And Service Manual

All installations and services must be performed by qualified service personnel.
b. The bottom edge of the vent termination elbow must be installed at
least 12-inches above the outlet of intake termination elbow.
c. The horizontal distance between the inlet and exhaust terminations
should be minimized, when possible, and should never exceed 24-
inches.
d. The vent and intake systems should utilize the same numbers of
elbows and approximately the same length of straight pipe to reach the
outside termination.
Figure 8: Typical Relative Locations of Direct Vent Terminations When

3. Exhaust Vent Terminal Location Clearance Requirements

a. The vent terminal shall be located at least 3-feet above any forced air
inlet located within 10-feet. Refer to Figure 9 for a depiction of the
minimum required clearances between vent terminations and building
features according to the National Fuel Gas Code (NFGC).
b. The vent terminal shall be at least 12-inches below, 12-inches
horizontally from, or 12-inches above, any door, window, or gravity air
inlet into a building. The bottom of the vent terminal shall be located at
least 12-inches above grade.
c. The vent terminal shall not be located:
• over public walkways or over an area where wetting of surfaces by
• near soffit vents, crawl space vents, or other areas where
Sidewall Venting
condensate, or water vapor, could create a nuisance or hazard,
condensate or water vapor could create a nuisance, hazard, or
cause property damage, and
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