Venting A Gas Furnace Through The Wall

Unfortunately the grey ultravent pipe used wasn t up to the job and was recalled.

Venting a gas furnace through the wall.

Direct venting or side wall vent chimney and flue systems are a method of venting the exhaust gases from a heating appliance directly out through the side wall of a building while eliminating the need for a vertical chimney of any sort. That depends on whether you have a standard efficiency or a high efficiency furnace. This water is corrosive so be careful where it is pumped to i e. Gas furnaces usually come with their own specifications.

This is typically collected at the bottom of the vertical stack into a condensate pump. Also known as the induced draft fan this one has a fan that is located on the end of the pipe. You ll want to know the thickness of your walls so you can properly prepare for your wall penetration if venting through an exterior wall to a horizontal termination. The fix was to use double wall b vent with an external power venter.

Not familiar with your specific furnace but there were literally thousands of 80 furnaces horizontally vented through sidewalls in the late 80s and 90s. Since the exhaust pipe is running on a sidewall the fan works together with the furnace. As long as you can find an inconspicuous location to vent the gases the sidewall is the way to go for a retrofit. The diameter of the vent pipe should always be larger than that of the gas furnace flue ensuring that no gas escapes from the pipe.

Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. The inducer motor mimics the. Should my furnace flue pipe go through the roof or the side of the house. It also increases living space by cutting out interior chases.

Are you venting through a wall to the exterior for a horizontal termination or through the roof with a vertical termination. Proper sidewall venting requires installing separate vent pipes horizontally so that they vent to the outdoors through a wall of your home. The vent pipe must overlap at each joint to prevent gas from leaking. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof.

So which type of venting system should your furnace have. These ventilation pipes should be isolated from the furnace combustion chamber and made airtight to eliminate the possibility of combustion gas leakage. Side wall vent systems save time and money and are excellent for electric to gas oil renovations new construction or for replacing deteriorated chimneys. It will draw in air for the combustion and then expel the fume outside.

Adhere to them even if you are building the vent on your own.