Z-Vent Double Wall Straight Tee Cap, Stainless Steel. Many diameters available.
A tee cap with drain is used at the bottom of a vertical vent pipe/flue stack. To drain the condensate, add a length of high-temperature silicone drain tubing (sold separately, and available in the Related Gadgets tab shown above on this webpage).
Available in inside diameters of 3" to 30". Select the diameter you need in the Diameter menu next to the price above.
Z-Flex Z-Vent is rated AL29-4C and is approved for Category I (vertical only), II, III and IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.
Z-Flex is the leading manufacturer of specialty venting systems for furnaces, boilers, tankless water heaters, water heaters, oil heaters, fireplaces, and more. Z-Flex uses a variety of innovations in materials and construction to create products that deliver superior performance, enhanced efficiency, convenient handling, greater reliability, easier installation, optimal safety and increased service life.
Features and Benefits:
• Z-Vent is an engineered stainless steel alloy, specially non-corrosive gas vent pipe.
• Suitable for heaters that require positive or negative pressure venting
• Vent material: AL29-4C stainless steel
• Approval: Cat II, III, IV venting
• Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636
• Limited Lifetime Warranty
Note that dimension "A" is the inside diameter. For Z-Vent double-wall pipe, the outside diameter is always 2 inches greater than the inside diameter.
Drain damage due to condensate from a tankless water heater. Even if the drain is plastic and is impervious, local building code may require use of a neutralizer.