How To Put A Furnace Vent Pipe Through The Roof

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How to put a furnace vent pipe through the roof.

Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. Once we had the pipe extension connected we figured out where the new vent pipe would need to pass through the roof using a piece of scrap wood held flush with the pipe. Use your measurements and plan the path out ahead of time so that you will know exactly how much material you will need. 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.

The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof. When compared to the natural vent this one is more flexible although it is also costlier. Also known as the induced draft fan this one has a fan that is located on the end of the pipe. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years.

Position the vent pipe up to the bottom of the roof. Measure the distance from the furnace vent to the chimney. Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. Since the exhaust pipe is running on a sidewall the fan works together with the furnace.

Horizontally through the sidewall or vertically through the roof. With the pipe in a vertical position trace around the pipe using a pencil. 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. Go into your attic.