Roof Pvc Vent Pipe For Attic Furnace

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.

Roof pvc vent pipe for attic furnace.

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. Another problem is that flue pipes that go through the roof tend to be less efficient. Learn the important factors of venting high efficiency furnaces. Sewage drainage lines must be vented through the roof for the drain pipes to operate properly.

Run the vent pipe up through the roof and install a metal or pvc flashing collar over it. These particular types of furnaces use positive pressure vent systems exhaust gas temperature less than 1400f above the dew point temperature and are always equipped with an induced draft motor that removes exhaust gases from the appliance and discharges. 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. If that is what he did then it should be replaced with a metal vent flue and cap.

This video is for the professional hvac installer. If your furnace has an afue rating of 90 or lower it probably exhausts the gases though the flue pipe on your roof. If the condensate drains outside it may freeze and block the vent with ice. Could this pvc pipe be the plumbing vent.

These vents do not require a cap. The vent length can often be as much as 60 feet 90 degree elbows count for 10 feet. Plastic vent pipe types listed below have been certified by the american gas association for use in furnaces classified as category 4. High efficiency furnaces take advantage of the heat in the combustion gases that are wasted in natural ventilation systems.

Pvc is not used for a furnace vent. The vent pipe or flue is a vital component of the furnace that transmits emissions from the combustion process out of the building. Match the vent pipe to the furnace maker s recommendations either sheet metal or vinyl. The vent should slope up away from the furnace at a quarter inch per foot.

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.