Gas Roof Vent Height

Round type b gas vent 18 3.

Gas roof vent height.

Aluminum 012 inner wall galvanized 018 outer wall. For a gas vent or type l vent this height must be 2 ft 0 61m or more. Round type b gas vent 3 8 and oval 4 6. The top of the flue opening termination of the chimney should be a minimum of 2 feet above any part of a structure within ten feet.

Manufacturers recommendations usually take precedence over local building codes but you won t know for sure which takes precedence or what those manufacturers recommendations are. 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 a portion of a building within 10 feet 3048 mm horizontally. Round type b gas vent 10 16. Clearance in accordance with local installation codes and the requirements of the gas supplier 5 a 3 feet 91cm within a height of 15 feet 4 5m above the meter regulator assembly 5 b 3 feet 91cm above if within 10 feet 3m horizontally.

Aluminum 020 inner wall galvanized 021 outer wall. Notice that we use the words any roof surface or an part of a structure in this explanation. The 2 10 rule states that combustion vents should terminate at least 2 feet above any part of the roof within 10 feet. 3 16 diameters feature twist lock fittings screws required for 14 and larger diameters.

All other gas vents shall terminate not less than 2 feet 610 mm above the highest point where they pass through the roof and at least 2 feet 610 mm higher than any portion of a building within 10 feet 3048 mm.