Concentric FAQ

What are the advantages to InnoFlue® Concentric?

InnoFlue® Concentric Polypropylene Special Gas Vent Systems incorporate combustion gas exhaust and air intake into a single system. This provides for aesthetically pleasing installation, a reduction in roof or wall penetrations and reduced labor time.

What is InnoFlue® Concentric made of?

InnoFlue® Concentric is comprised of a metal outer and a polypropylene inner. Combustion air, or make up air, is pulled into the heating appliance through the space between the outer and inner pipes. Combustion gas is expelled through the polypropylene inner pipe.