Minimum Clearance On Water Heater Roof Vent

Aluminum 012 inner wall galvanized 018 outer wall.

Minimum clearance on water heater roof vent.

Materials and construction round type b gas vent 3 8 and oval 4 6. A direct vent installation only requires a 12 inch setback from the door or window. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. Metal vents that are too close to wood or combustionable materials may cause the wood to burst into flames.

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. Direct vent gas fireplace exhaust termination item clearance distance. Distance required canada 1. Note some modern high efficiency water heater may have pvc vents.

84 2 1m 3 note 5. Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window. Number 3 is a vent for an attic space called a roof vent or turtle vent. Table of rooftop chimney clearances for metal b vent chimneys flues.

This article series describes b vent metal chimneys used for gas fired appliances. Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications. They exhaust moist air to the outside. Roof pitch rise run in inches.

Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. Single wall vents should have a minimum of 6 inches of clearance and double wall sometimes called a b vent should have 1 inch minimum clearance. 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.

For gas fired water heater vents. If the water heater is installed above the door or window it needs 12 inches of clearance. An exception is made for non combustible walls such as solid masonry or concrete. 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.

Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8. 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. Minimum height above the roof surface 1 flat to 7 12. Hot water is an essential part of everyday life.

1 5 feet above the roof surface. Clearance above paved sidewalk or a paved driveway located on public property. We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys. 2 5 feet above the roof surface.

1 0 foot above the roof surface 1 7 12 to 8 12.