How To Put A Furnace Vent Pipe Through The Roof

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How to put a furnace vent pipe through the roof.

Also known as the induced draft fan this one has a fan that is located on the end of the pipe. Measure the distance from the furnace vent to the chimney. 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. The pipes can be set in two ways.

With the pipe in a vertical position trace around the pipe using a pencil. Horizontally through the sidewall or vertically through the roof. 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. The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.

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

Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. Go into your attic. Use your measurements and plan the path out ahead of time so that you will know exactly how much material you will need. Position the vent pipe up to the bottom of the roof.