Gas Roof Vent Height

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 roof vent height.

Aluminum 020 inner wall galvanized 021 outer wall. 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 012 inner wall galvanized 018 outer wall. 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.

Aluminum 016 inner wall galvanized 021 outer wall. 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. The 2 10 rule states that combustion vents should terminate at least 2 feet above any part of the roof within 10 feet. Round type b gas vent 3 8 and oval 4 6.

3 16 diameters feature twist lock fittings screws required for 14 and larger diameters. Notice that we use the words any roof surface or an part of a structure in this explanation. For a gas vent or type l vent this height must be 2 ft 0 61m or more. Round type b gas vent 18 3.

Clearances 1 clearance to combustibles in single and multi family dwellings.