Minimum Clearance On Water Heater Roof Vent
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Minimum clearance on water heater roof vent. Clearance above paved sidewalk or a paved driveway located on public property. Minimum height above the roof surface 1 flat to 7 12. Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications. 1 0 foot above the roof surface 1 7 12 to 8 12.
1 5 feet above the roof surface. 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. Number 3 is a vent for an attic space called a roof vent or turtle vent. This article series describes b vent metal chimneys used for gas fired appliances.
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. 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. A direct vent installation only requires a 12 inch setback from the door or window. An exception is made for non combustible walls such as solid masonry or concrete.
Aluminum 012 inner wall galvanized 018 outer wall. Distance required usa 2. Metal vents that are too close to wood or combustionable materials may cause the wood to burst into flames. If the water heater is installed above the door or window it needs 12 inches of clearance.
Hot water is an essential part of everyday life. 2 0 feet above the roof surface. We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys. Note some modern high efficiency water heater may have pvc vents.
Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8. Single wall vent pipes cannot pass through a ceiling floor firewall or wall. Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. 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.
Materials and construction round type b gas vent 3 8 and oval 4 6. 2 5 feet above the roof surface. Distance required canada 1. Direct vent gas fireplace exhaust termination item clearance distance.
Table of rooftop chimney clearances for metal b vent chimneys flues. Roof pitch rise run in inches. Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material.
Many people can t live without a water heater.