Furnace Vent Thru Roof

Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl.

Furnace vent thru roof.

A conventional furnace vents these combustion gases through a vertical exhaust system that is attached to the furnace. Also known as the type b this vent is operating on the natural air convection. 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. When water drains air must replace the space that was taken up by the water.

This vent is designed to be used on 4 in. Plumbing vent pipes are connected to your drain system and are needed for water to drain properly. 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. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof.

When the vent is withdrawing air from the house it expels the gas outside through the vent. It s made of zinc coated galvanized steel for durability and reliability. Traditional gas fired forced air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes or chimneys. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation.

Vent pipes provide this air by running outside the structure of the house. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. So which type of venting system should your furnace have. Running a vent pipe out of the roof takes some careful preparation.

A high efficiency furnace uses a different type of venting system because it extracts the heat that remains in those combustion gases before venting the resultant mixture of water and carbon dioxide. Goose neck vent the master flow 4 in. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.

Should my furnace flue pipe go through the roof or the side of the house. The master flow 4 in.