Minimum Clearance On Water Heater Roof Vent

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.

Minimum clearance on water heater roof vent.

We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys. Aluminum 012 inner wall galvanized 018 outer wall. Many people can t live without a water heater. Minimum height above the roof surface 1 flat to 7 12.

A direct vent installation only requires a 12 inch setback from the door or window. Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications. Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. Minimum clearance distance requirements for the exterior vent termination of a gas fireplace heater 8.

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. Distance required canada 1. An exception is made for non combustible walls such as solid masonry or concrete. Materials and construction round type b gas vent 3 8 and oval 4 6.

6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. Clearance above paved sidewalk or a paved driveway located on public property. 1 5 feet above the roof surface. Table of rooftop chimney clearances for metal b vent chimneys flues.

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. Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window. 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. 2 5 feet above the roof surface.

2 0 feet above the roof surface. 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. Hot water is an essential part of everyday life. Distance required usa 2.

For gas fired water heater vents. They exhaust moist air to the outside. Single wall vent pipes cannot pass through a ceiling floor firewall or wall. Direct vent gas fireplace exhaust termination item clearance distance.

84 2 1m 3 note 5. Number 3 is a vent for an attic space called a roof vent or turtle vent. Note some modern high efficiency water heater may have pvc vents. Metal vents that are too close to wood or combustionable materials may cause the wood to burst into flames.

This article series describes b vent metal chimneys used for gas fired appliances.