Your cookie preferences
We use cookies to remember your preferences and understand how shoppers use our site, helping us improve your shopping experience.
Read our privacy policyThe Z-Vent 4" Universal Appliance Adapter is a gas vent pipe designed to fit flue outlets from various brands such as Laars, Bosch, Nortec, Takagi, Paloma, Rheem, Modine, Rinnai, and Reznor, and it is available in sizes up to 24 inches in diameter. Constructed from durable AL29-4C material, this factory-engineered vent pipe can handle both positive and negative pressure applications, having been tested and certified to UL1738/S636 standards, which makes it suitable for Category II, III, and IV venting systems. Additionally, Z-Vent comes with flashing that is perfect for flat roof or chimney installations, ensuring a reliable and safe venting solution for your gas appliances.