Furnace Roof Exhaust Pipe

Should my furnace flue pipe go through the roof or the side of the house.

Furnace roof exhaust pipe.

The pipes can be set in two ways. Perma boot vent pipe repair for 4 in. The outer and bigger pipe draws the air for combustion from outside while the smaller one is constructed on the inner position to expel the exhaust gas. Goose neck vent in black can be used to cover exhaust pipes extending through your roof or for attic ventilation.

The outer pipe draws air for combustion from outside and the smaller pipe occupies the inner position and is used to vent the exhaust fumes. Piping can be set horizontally to allow venting through a sidewall or vertical installation can also be undertaken to allow venting through the roof. This construction uses two different sizes of pipes within one unit. What to know before you install b vent furnace pipe.

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. Some high efficiency furnaces also include a plastic pipe for intake area and all types use a third plastic pipe to drain away the corrosive condensation resulting from the combustion process. That depends on whether you have a standard efficiency or a high efficiency furnace. Gibraltar building products 11 in.

So which type of venting system should your furnace have. Vent pipe in black model pbr 312 4bk 19 97 19 97. 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. What to know before you install b vent furnace pipe.

Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. Traditional gas fired forced air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes or chimneys. 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. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.

The master flow 4 in. This vent is designed to be used on 4 in. Rubber electrical mast split pipe boot roof flashing in black model 81746 37 27 37 27. Goose neck vent the master flow 4 in.

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. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. It s made of zinc coated galvanized steel for durability and reliability. For pricing and availability.

Oatey 1 1 2 in to 3 in x 15 in plastic vent and pipe flashing. Free delivery with 45 order.