How To Vent Gas Furnace Through Roof

When compared to the natural vent this one is more flexible although it is also costlier.

How to vent gas furnace through roof.

If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. Horizontally through the sidewall or vertically through the roof. How to replace a gas furnace s roof vent. 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 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. 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 pipes can be set in two ways.

Instead both systems typically expel exhaust through a pipe that runs. Put a cover on the vent. Remove the screws holding the termination cap on the end of the vent pipe using the correct size screwdriver to turn the screws. That depends on whether you have a standard efficiency or a high efficiency furnace.

Use your measurements and plan the path out ahead of time so that you will know exactly how much material you will need. Hold the vent pipe still and. Grip the vent pipe with one hand and the termination cap with the other hand. So which type of venting system should your furnace have.

Should my furnace flue pipe go through the roof or the side of the house. Direct venting and power venting systems offer greater flexibility because neither requires a direct line to the roof. How to vent a furnace in a roof 1. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it.

What to know before you install b vent furnace pipe. Locate the spot to install the vent pipe using a tape measure to determine distance from a wall or other. These ventilation pipes should be isolated from the furnace combustion chamber and made airtight to eliminate the possibility of combustion gas leakage. Measure the distance from the furnace vent to the chimney.