Minimum Clearance On Water Heater Roof Vent

Roof pitch rise run in inches.

Minimum clearance on water heater roof vent.

Metal vents that are too close to wood or combustionable materials may cause the wood to burst into flames. Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. Distance required usa 2. Direct vent gas fireplace exhaust termination item clearance distance.

Number 3 is a vent for an attic space called a roof vent or turtle vent. Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. Table of rooftop chimney clearances for metal b vent chimneys flues.

Hot water is an essential part of everyday life. 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. Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8.

Minimum height above the roof surface 1 flat to 7 12. 2 0 feet above the roof surface. 1 0 foot above the roof surface 1 7 12 to 8 12. This article series describes b vent metal chimneys used for gas fired appliances.

84 2 1m 3 note 5. Distance required canada 1. They exhaust moist air to the outside. 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.

A direct vent installation only requires a 12 inch setback from the door or window. 2 5 feet above the roof surface. We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys. 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.

An exception is made for non combustible walls such as solid masonry or concrete. Many people can t live without a water heater. Note some modern high efficiency water heater may have pvc vents. Aluminum 012 inner wall galvanized 018 outer wall.

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. 1 5 feet above the roof surface. For gas fired water heater vents. Clearance above paved sidewalk or a paved driveway located on public property.

Materials and construction round type b gas vent 3 8 and oval 4 6.