Concentric Vents High Efficiency Furnaces

The pvc pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process.

Concentric vents high efficiency furnaces.

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. Other aspects of high efficiency furnace venting. Description this item is used for a two pipe high efficiency gas furnace. This high efficiency venting system must be installed when you install the new furnace.

These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. Some high efficiency furnaces also include a plastic pipe for intake area and all types use a third plastic pipe to drain away the corrosive condensation resulting from the combustion process. The 24 volt draft induced units include a standard vent kit that can be cut to fit wall thicknesses from 5 32 and includes an external vent cap which eliminates the need for expensive venting and unnecessary labor. Refer to the furnace installation instructions for intake vent pipe sizing information.

This item is accepts two inch pipe. Cvent 3 is for use with 3 in. Concentric vents make it easier to have a two pipe installation for high efficiency furnaces. Browse for more.

Without using these vents the installation would require cutting two holes through the home one for each pipe. This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions. These pvc pipes are connected to the furnace and expelled outside. The concentric vent allows both the intake for combustion air and the exhaust vent to pass through a standard roof or sidewall.