The 2 10 rule states that combustion vents should terminate at least 2 feet above any part of the roof within 10 feet.
Gas roof vent height.
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.
Round type b gas vent 3 8 and oval 4 6.
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.
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.
Round type b gas vent 18 3.
For a gas vent or type l vent this height must be 2 ft 0 61m or more.
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.
Aluminum 016 inner wall galvanized 021 outer wall.
Aluminum 020 inner wall galvanized 021 outer wall.
3 16 diameters feature twist lock fittings screws required for 14 and larger diameters.
Round type b gas vent 10 16.
Clearances 1 clearance to combustibles in single and multi family dwellings.