The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.
Furnace vent pipe roof.
So which type of venting system should your furnace have.
The constant exposure to weather weakens a gas furnace roof vent s outer liner and termination cap.
Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.
If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof.
Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation.
The master flow 4 in.
Oatey 1 1 2 in to 3 in x 15 in plastic vent and pipe flashing.
A rusted area on a vent pipe not only lets rainwater enter the attic but also allows potentially dangerous downdrafts to push fumes into the home s living space.
That depends on whether you have a standard efficiency or a high efficiency furnace.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace.
4 remove the metal straps that secure the upper and lower portions of the vent pipe to the roof and ceiling framing.
Locate the vertical section of furnace vent pipe that passes through the attic.
The vent pipe or flue is a vital component of the furnace that transmits emissions from the combustion process out of the building.
It s made of zinc coated galvanized steel for durability and reliability.
Should my furnace flue pipe go through the roof or the side of the house.
In contrast modern high efficiency condensing furnaces exhaust much cooler gasses and need only plastic pipe materials such as pvc cpvc or abs for their exhaust vents some high efficiency furnaces also include a plastic pipe for intake area and all types.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing.
This vent is designed to be used on 4 in.
Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.
Also known as the type b this vent is operating on the natural air convection.
Goose neck vent the master flow 4 in.
A gas furnace uses a double wall flue pipe for its vent.