What Is A Concentric Vent System

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What is a concentric vent system.

Subscribe for more great learning videos from alpine. This is an alternative to the standard two pipe. O the safe operation of the vent system is based on the use of parts supplied in this kit or approved per the guidelines that follow in the instructions. Thanks for watching.

This is an alternative to the standard two pipe intake vent shown in the basic furnace installation instructions. These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. A concentric diffuser system is designed to eliminate the need for traditional duct work by providing a single air diffuser to supply return air to each rooftop. A concentric diffuser provides conditioned air from a hvac rooftop unit to a space while returning air back to the rooftop unit through the same diffuser.

Leaving the intake inside the roof in attic as john ask can lead to problems. Walk through for concentric vent pipe kits. Concentric vents make it easier to have a two pipe installation for high efficiency furnaces.