Note some modern high efficiency water heater may have pvc vents.
Minimum clearance on water heater roof vent.
Aluminum 012 inner wall galvanized 018 outer wall.
Number 3 is a vent for an attic space called a roof vent or turtle vent.
Metal vents that are too close to wood or combustionable materials may cause the wood to burst into flames.
2 5 feet above the roof surface.
1 0 foot above the roof surface 1 7 12 to 8 12.
Clearance above paved sidewalk or a paved driveway located on public property.
Hot water is an essential part of everyday life.
Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8.
A direct vent installation only requires a 12 inch setback from the door or window.
They exhaust moist air to the outside.
If the water heater is installed above the door or window it needs 12 inches of clearance.
Minimum height above the roof surface 1 flat to 7 12.
Distance required usa 2.
Materials and construction round type b gas vent 3 8 and oval 4 6.
An exception is made for non combustible walls such as solid masonry or concrete.
2 0 feet above the roof surface.
84 2 1m 3 note 5.
Table illustrations of the required space between a direct or side wall vent for a gas fired heating appliance and building windows doors corners gas meter air intakes sidewalks balconies.
For gas fired water heater vents.
We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys.
Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications.
Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window.
Gas appliance direct vent clearances distances from direct gas vent to building features sidewall vent direct vent direct exhaust systems for gas fired heaters water heaters other appliances.
Distance required canada 1.
1 5 feet above the roof surface.
Roof pitch rise run in inches.
Type b vents ceiling floor wall clearances b vent clearances to combustibles clearance distances for a b vent to combustible materials in floors walls ceilings attics roofs.
Single wall vent pipes cannot pass through a ceiling floor firewall or wall.
This article series describes b vent metal chimneys used for gas fired appliances.
Direct vent gas fireplace exhaust termination item clearance distance.
Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms.
Many people can t live without a water heater.
Whenever we are installing a gas water heater building codes require that there should be a ventilator out of the room through the attic and out through the roof.