How To Vent A Gas Furnace Thru Wall
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
How to vent a gas furnace thru wall. Unfortunately the grey ultravent pipe used wasn t up to the job and was recalled. Sidewall vent direct vent direct exhaust systems for oil or gas fired heaters. What to know before you install b vent furnace pipe. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your 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 fix was to use double wall b vent with an external power venter. We are getting a new 95 efficient gas furnace and it has been mentioned that there are two options for venting it out of the walk in unfinished basement. That depends on whether you have a standard efficiency or a high efficiency furnace.
Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. Guide to choosing installing troubleshooting through wall or side wall venting exhaust devices for heating appliances like oil or gas fired boilers furnaces or water heaters photos examples of sidewall venting or direct venting installations that are improper and or. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. The vent pipe of your gas furnace plays an important role by carrying all toxic gases created during the combustion within the furnace out of the building.
If you use single wall pipe to penetrate the exterior wall a fire may result. It could either go out the unused walled in chimney that the oil furnace was vented through or they could cut a hole in the concrete block wall and vent it out the side of the house. Also known as the type b this vent is operating on the natural air convection. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.
Not familiar with your specific furnace but there were literally thousands of 80 furnaces horizontally vented through sidewalls in the late 80s and 90s. The venting for garage heaters can get extremely hot and b vent pipe is insulated to keep the exterior of the pipe safe for penetrating combustible materials. Direct vent chimneys fireplaces. What to know before you install b vent furnace pipe.
The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.