How To Vent Gas Furnace Through Roof

Measure the distance from the furnace vent to the chimney.

How to vent gas furnace through roof.

Proper sidewall venting requires installing separate vent pipes horizontally so that they vent to the outdoors through a wall of your home. Remove the screws holding the termination cap on the end of the vent pipe using the correct size screwdriver to turn the screws. These ventilation pipes should be isolated from the furnace combustion chamber and made airtight to eliminate the possibility of combustion gas leakage. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof.

What to know before you install b vent furnace pipe. Hold the vent pipe still and. How to vent a furnace in a roof 1. Locate the spot to install the vent pipe using a tape measure to determine distance from a wall or other.

Use your measurements and plan the path out ahead of time so that you will know exactly how much material you will need. Horizontally through the sidewall or vertically through the roof. Are you venting through a wall to the exterior for a horizontal termination or through the roof with a vertical termination. What to know before you install b vent furnace pipe.

Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. 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. The pipes can be set in two ways. Match the vent pipe to the.

Put a cover on the vent. Grip the vent pipe with one hand and the termination cap with the other hand. Should my furnace flue pipe go through the roof or the side of the house. 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.

When compared to the natural vent this one is more flexible although it is also costlier. So which type of venting system should your furnace have. Purchase the correct size metal vent pipe from a home improvement store and make sure you get enough elbow joints to give the vent s path the necessary twists and turns. Direct venting and power venting systems offer greater flexibility because neither requires a direct line to the roof.