Furnace Pvc Vent Pipe Installation

This furnace operates best when return air temperature is between 55 f and 80 f.

Furnace pvc vent pipe installation.

The national fuel gas code ansi. When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by a duct s sealed to the furnace casing and terminating outside the space containing the furnace. Do not install furnace in any other position other than upflow. Every single one of them had instructions for a direct vent and non direct vent installation.

Must conform to the requirements of the national fire protection association. 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. 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. I began the installation of the new vent flue by purchasing schedule 40 pvc pipe in 2 and 3 diameters.

Doing so could cause heat. In the usa schedule 40 dwv pipe the usual stuff is still the standard there is talk this may change soon so stay tuned. The 3 diameter pipe is cellulose core which is approved by my furnace manufacturer. Traditional gas fired forced air furnaces produce hot combustion exhaust gasses and therefore need metal vent pipes or chimneys.

For example here in canada schedule 40 pvc dwv drain pvc may not be used. I ve read dozens maybe hundreds of high efficiency furnace installation manuals. A gas fired furnace for installation in a residential garage. The 2 pipe leaves the furnace and connects to the 3 pipe at the first turn.

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. Continuous operation outside of this range may shorten furnace life. Only fgv flue gas vent pvc certified to a specific standard ulc s636 may be used.