Gas Furnace Vent Pipe

Gas appliance direct vent clearances distances from direct gas vent to building features sidewall vent direct vent direct exhaust systems for gas fired heaters water heaters other appliances.

Gas furnace vent pipe.

Duravent 4 x 6 5 8 directvent pro direct vent pipe double wall co linear masonry chimney conversion kit with flex pipe and prairie cap model. 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. 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. On the other hand the higher the efficiency of a furnace the lower the flue gas temperature.

Higher btuh furnaces produce higher flue gas temperatures. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. The type of furnace flue pipe that you have is not something that s up to personal preference but rather a result of the efficiency of your system. Table illustrations of the required space between a direct or side wall vent for a gas fired heating appliance and building windows doors corners gas meter air intakes sidewalks balconies.

Traditional gas fired forced air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes or chimneys. Today we re going to help you understand the difference between the two styles of furnace venting by answering the question should a gas furnace flue pipe go through the roof or the side of. A gas wall heater or older forced air furnace generally requires a type b double wall metal vent pipe while a new high efficiency furnace requires a schedule 40 pvc vent pipe. When the vent is withdrawing air from the house it expels the gas outside through the vent.

The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber. 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. Type b vent pipe. Two cases which can cause poor venting are the oversizing of the vent or reducing the.

Basic instructions on how to run pvc flue venting on high efficiency furnaces.