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 5" Universal Appliance Adapter is an essential component for connecting tankless water heaters, boilers, or commercial boilers to Z-Flex or Z-Vent AL29-4C stainless steel vent pipes. Compatible with most units, this adapter requires a single-to-double-wall adapter for double-wall installations. It features female connections on both ends and is constructed from Category III stainless steel, ensuring compliance with UL 1738 and AL29-4C safety standards.