Furnace Vent Pipe Through Roof

Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.

Furnace vent pipe through roof.

That depends on whether you have a standard efficiency or a high efficiency furnace. The black finish helps this vent blend into your home s rooftop. 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. If your furnace has an afue rating of 90 or lower it probably exhausts the gases though the flue pipe on your roof.

Piping can be set horizontally to allow venting through a sidewall or vertical installation can also be undertaken to allow venting through the roof. Goose neck vent the master flow 6 in. 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.

If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. With the pipe in a vertical position trace around the pipe using a pencil. 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. Also no chimney is needed regardless of whether horizontal or vertical installation is used.

If your furnace has an afue rating of 90 percent or above it will have a flue pipe that goes out of the side of your house. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation. Installation of direct venting is fairly easy but more costly than the b vent type. Direct vent systems have versatility to their installation that natural vents do not.

Another problem is that flue pipes that go through the roof tend to be less efficient. Horizontally through the sidewall or vertically through the roof. Locate the spot to install the vent pipe using a tape measure to determine distance from a wall or other. Since the exhaust pipe is running on a sidewall the fan works together with the furnace.

How to vent a furnace in a roof 1. This vent features a heavy duty screen which helps protect against small animals from entering your home through the vent. 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.

This vent is designed to be used on 6 in. It s made of zinc coated galvanized steel for durability and reliability. Match the vent pipe to the. Go into your attic.

The master flow 6 in. 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.