Furnace Vent Pipe Through Roof

Locate the spot to install the vent pipe using a tape measure to determine distance from a wall or other.

Furnace vent pipe through roof. That s because the combustion byproducts are in a gaseous form so the gases can float up through the flue pipe and out of your roof. The master flow 6 in. Go into your attic. This vent is designed to be used on 6 in.

What to know before you install b vent furnace pipe. Match the vent pipe to the. Horizontally through the sidewall or vertically through the roof. These systems are very common and if you take a look at the roofs of your neighbors you will see that most of them have a furnace flue ventilation pipe sticking up.

That depends on whether you have a standard efficiency or a high efficiency furnace. How to vent a furnace in a roof 1. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. It s made of zinc coated galvanized steel for durability and reliability.

Gases produced during combustion are very hot and as such easily rise through the flue. The air rises enough to get expelled through your roof. Type b vents are a standard design that most modern gas furnaces use. Twist the roof s vent pipe clockwise one half turn with one hand while holding the gas furnace s vent pipe still with the other hand.

Put a cover on the vent. What to know before you install b vent furnace pipe. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. Also known as the induced draft fan this one has a fan that is located on the end of the pipe.

The pipes can be set in two ways. Furnace vents remove fumes and combustion air that are generated by gas and oil fired furnaces. The air is then vented outside through a b vent pipe which is set vertically to expel combustion air through the roof. This vent features a heavy duty screen which helps protect against small animals from entering your home through the vent.

With the pipe in a vertical position trace around the pipe using a pencil. The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof. When compared to the natural vent this one is more flexible although it is also costlier. Position the vent pipe up to the bottom of the roof.

Push the male end of a new vent pipe up through the bottom of the roof flashing and set its female end on the male end of the vent pipe that connects to the gas furnace. The black finish helps this vent blend into your home s rooftop. It draws air from within the house for combustion. The vents consist of circular or oblong pipe that attaches to a flange on the furnace and extends.

Since the exhaust pipe is running on a sidewall the fan works together with the furnace.