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All installations and services must be performed by qualified service personnel.
• where wetting of components by condensate, or water vapor, could
be detrimental to the operation of pressure regulators, relief valves,
or any other equipment.
d. The vent terminal shall be installed a minimum of 14-inches from any
obstruction and 3-feet from an inside corner of an L-shaped structure.
Figure 9: NFGC Minimum Clearances Between the Vent Terminal and Various
Building Features
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