Minimum Clearance On Water Heater Roof Vent

We discuss fire safety fire clearances and other gas appliance venting details for b vent chimneys.

Minimum clearance on water heater roof vent.

1 5 feet above the roof surface. Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. Direct vent gas fireplace exhaust termination item clearance distance. 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. Distance required usa 2. 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.

Single wall vent pipes cannot pass through a ceiling floor firewall or wall. Distance required canada 1. 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. 1 0 foot above the roof surface 1 7 12 to 8 12.

Table of rooftop chimney clearances for metal b vent chimneys flues. Hot water is an essential part of everyday life. 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. Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window.

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. Many people can t live without a water heater. Clearance above paved sidewalk or a paved driveway located on public property.

Note some modern high efficiency water heater may have pvc vents. 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. 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 height above the roof surface 1 flat to 7 12.

2 0 feet above the roof surface. Roof pitch rise run in inches. Aluminum 012 inner wall galvanized 018 outer wall. They exhaust moist air to the outside.

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. 84 2 1m 3 note 5. If the water heater is installed above the door or window it needs 12 inches of clearance.

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