Z-Flex 3" to 24" Double-Wall Thimble, Stainless Steel Adjustable
Use with double-wall pipe going through a combustible wall.
• Width can be adjusted
• No sealant required - has a simple gasketed connection
• Offers the highest pressure rating available
• The only metallic special gas vent that can be cut on site to desired length
• Smooth finish and perfect fit with new fusion-welded pipe seams
• Compatible with all Z-Flex Z-Vents
• 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
Frequently Asked Question ("FAQ")
Q: Can this be used on a ceiling?
A: Yes, it can. Although designed for through-wall installations, many contractors use this item for vertical vent pipe runs.