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.

Note some modern high efficiency water heater may have pvc vents. 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. Table of rooftop chimney clearances for metal b vent chimneys flues.

An exception is made for non combustible walls such as solid masonry or concrete. Distance required canada 1. If the water heater is installed above the door or window it needs 12 inches of clearance. Direct vent gas fireplace exhaust termination item clearance distance.

Number 2 is a vent for an exhaust fan like those found in bathrooms and laundry rooms. Aluminum 012 inner wall galvanized 018 outer wall. They exhaust moist air to the outside. 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.

Hot water is an essential part of everyday life. Clearance above paved sidewalk or a paved driveway located on public property. Number 3 is a vent for an attic space called a roof vent or turtle vent. 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.

This article series describes b vent metal chimneys used for gas fired appliances. 2 5 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. Natural gas fireplaces gas fired furnaces boilers water heaters and wall or space heating applications.

A direct vent installation only requires a 12 inch setback from the door or window. For gas fired water heater vents. 84 2 1m 3 note 5. 2 0 feet above the roof surface.

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. Stack vents may give off sewer gas so they should not be located within 3 feet of an operable window. 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.

Roof pitch rise run in inches. 1 0 foot above the roof surface 1 7 12 to 8 12. Minimum height above the roof surface 1 flat to 7 12. Distance required usa 2.

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