Insulate furnace exhaust pipe. If it is single wall rock wool would be the product I would use. If you must insulate it use fiberglass with no paper face. Since the exhaust pipe is running on a sidewall the fan works together with the furnace. There will be a point where these factors counter-balance the momentum of the flue-gases. So you dont have to go out in the cold and thaw your furnaces drain pipe talk with a heating installation technician such as those at Glendale Heating Air Conditioning about ways they can set up the pipe so that the risk of ice building up is reduced. Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue. Vent System Capacity The volume of flue-gases produced by a furnace directly depends on the BTUH input of the furnace.
Plumbing supply outlets all offer high-quality foam rubber insulation sleeves for use over various sizes of pipe even 4 or more. Vent Pipe Size and Length Two 45 elbows are equivalent to one 90 elbow. For extremely cold climates or for conditions of short furnace cycles ie. Vent System Capacity The volume of flue-gases produced by a furnace directly depends on the BTUH input of the furnace. Also known as the induced draft fan this one has a fan located on the end of the pipe. Take a mental note of where they exit the building and head outside. PVC intake and exhaust vent pipes must be supported all the way from the furnace to the discharge points outside.
Step by Step Guide. This helps gases to pass through the. Insulating pipe is important to avoid condensate icing.
Cut two flat sheets of aluminum flashing that are 14 inches long and narrow enough to fit between the ceiling joists around the flue.
If the pipe is polyvinyl chloride PVC meaning it looks like white plastic then you likely have a high efficiency furnace.
They usually include an adhesive strip to seal the slit after installation.
Google chimney air sealing but in short you can build a flashing system out of sheet metal. Take a mental note of where they exit the building and head outside. Plumbing supply outlets all offer high-quality foam rubber insulation sleeves for use over various sizes of pipe even 4 or more. First locate your furnace and find the intake and exhaust pipes.
If this pipe is not insulated the heat carried in the air transferred to the pipe will cause condensation and potentially cause water damage at your ceiling or in your attic.
Once outside look for the intake and exhaust pipes.
Rubber insulation Armafl ex-type insulation or equivalent.
Step by Step Guide.
Take a mental note of where they exit the building and head outside.
