Tom,
I posted this above on 10-28:
Originally Posted by
Jerry Peck
Billy,
Here is a direction finder:
IRC G2427.6.4.2, and don't miss the "or" in there.
Here is the text:
(underlining is mine)
G2427.6.4 (503.6.4) Gas vent termination.
A gas vent shall terminate in accordance with one of the following:
- 1. Gas vents that are 12 inches (305 mm) or less in size and located not less than 8 feet (2438 mm) from a vertical wall or similar obstruction shall terminate above the roof in accordance with Figure G2427.6.4.
- 2. Gas vents that are over 12 inches (305 mm) in size or are located less than 8 feet (2438 mm) from a vertical wall or similar obstruction shall terminate not less than 2 feet (610 mm) above the highest point where they pass through the roof and not less than 2 feet (610 mm) above any portion of a building within 10 feet (3048 mm) horizontally.
- 3. As provided for direct-vent systems in Section G2427.2.1.
- 4. As provided for appliances with integral vents in Section G2427.2.2.
- 5. As provided for mechanical draft systems in Section G2427.3.3.
Read the "OR", it is important, one of the biggest little words you will see.