DiversiTech CVENTCAP4 Concentric Vent 4" Cap

The DiversiTech CVENTCAP4 Concentric Vent Cap is a part made for 4-inch diameter concentric venting, which is commonly used in high-efficiency furnaces. This cap makes installation easier because it provides for both combustion air intake and exhaust venting through one opening and minimizing the number of holes on walls or roofs. They improve the air flow within the HVAC systems and also provides safety measure in the exhausting of the gas. Such advantages are easy installation, saving time and safety requirements.