Rinnai - CVENT2 - DiversiTech Concentric 2" Vent Termination Tools The new and improved NDS

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Rinnai - CVENT2 - DiversiTech Concentric 2" Vent Termination Tools The new and improved NDSDiversiTech 2 Inch Concentric Vent Termination The DiversiTech Concentric 2" Vent makes it easier to have a two pipe installation for high efficiency furnaces. These vents simplify installation and only require one hole through the wall or roof where the pipes terminate. Without using these vents, the installation would require cutting two holes thorough the home (2 Inch or 3 Inch depending on the furnace), one for each pipe. These vents save time and