Installing A Gas Furnace Vent Pipe

Pitch the flue pipe up toward the chimney.

Installing a gas furnace vent pipe.

What to know before you install b vent furnace pipe. The pipe then slips into the hole and is sealed with a high temperature silicone caulk. 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 size would depend on your furnace s flue pipe connection.

How long the vent pipe is and 2. This is essential to establishing an airtight fit. For many homes a gas furnace is the preferred heating device it has proven to be an efficient and reliable way of meeting household heating needs over the years. You would core a hole 1 4 to 1 2 inch bigger than the outer diameter of the pipe.

The vent pipe of your gas furnace plays an important role by carrying all toxic gases created during the combustion within the furnace out of the building. The different types of venting. Never use tape including teflon tape. You should know how to vent a gas furnace and get rid of the harmful gases for the health and safety of anyone living in your building.

Extend your existing gas line by fitting the valves and pipe lengths you need to add a gas line that will reach your new appliance. If the vent pipe uses a compression band turn the compression band s screw clockwise with the correct screwdriver until the band squeezes the vent pipe. 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.

Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. It can come loose inside the pipe and can clog the line. Typically if the existing vent that served both furnace water heater is larger than 4 inches a smaller vent pipe must be installed to serve only the water heater. The vent pipe or flue is a vital component of the furnace that transmits emissions from the combustion process out of the building.

In contrast modern high efficiency condensing furnaces exhaust much cooler gasses and need only plastic pipe materials such as pvc cpvc or abs for their exhaust vents some high efficiency furnaces also include a plastic pipe for intake area and all types. This allows the hot combustion gases to to move into the chimney easier. The size in gallons of the water heater. Because the new vent pipe is smaller it can often be installed inside the old vent pipe.

Step 8 lock the two sections of vent pipe together. Coat the threads of the pipe ends using pipe dope.