Rinnai - CVENT2 - DiversiTech Concentric 2" Vent Termination Brand_NDS Chrome and stainless steel are

Chrome and stainless steel are separate variants

Upper and lower ball bearings

Cycle and Soak

Heavy-duty cast-iron construction and stainless fasteners

superior distribution

Rinnai - CVENT2 - DiversiTech Concentric 2" Vent Termination Brand_NDS Chrome and stainless steel areDiversiTech 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