Skip to content

Z-Flex Single Wall Vertical Vent Kit 3" or 4"

by Z-Flex
Sold out
Original price $104.95 - Original price $169.95
Original price
$104.95 - $169.95
Current price $104.95


The 3" or 4" Z-Flex vertical single-wall vent kit is designed for use with through-roof installations of indoor water heaters. Made of durable AL-294C stainless steel, category II/III approved.

Select your diameter in the menu above.

Made in AmericaIncluded components

• 1 x 3" or 4" Rain cap (2SVSRCF03 or 2SVSRCF04)
• 1 x 3" or 4" Top support/storm collar (2SVSLSF03 or 2SVSLSF04)
• 1 x 3" or 4" Adjustable roof flashing (2SVSADJF03 or 2SVSADJF04)

Note: You may need to purchase a universal appliance adapter with or without backflow preventer, vertical drain pipe, your desired length of straight pipe, firestop support, firestop spacer. All these pieces are shown in the blue Related Gadgets tab above.


• Vent material: AL29-4C stainless steel
• Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636
• Approval: Cat II, III, IV venting
• Limited Lifetime Warranty


Z-Vent SVE Series IV Installation and Maintenance Instructions, 3" to 24", Single & Double Wall

Z-Vent Dimensional Specifications