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Tankless water heater vent termination, designed for concentric venting. Specially engineered hood brings in air intake while allowing the vent to exhaust through the same termination.


4" Z-Vent Concentric Vent Termination is designed for use with tankless water heaters and high condensing boilers that bring in fresh air intake using a 4" port. (also available in other sizes/combinatons of exhaust and intake diameters).
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Product Type:

Termination Kit

Vent Type:


Single Wall

Diameter (Inches):



4" In

4" Out


12" to 18"


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