3" x 18" Wall Gas Vent Pipe, Stainless Steel

Details

Model: 2SVEPWCF0301.5
Manufacturer: Z-Flex (Novaflex Group)
Product Name: Z-Vent Single-Wall Stainless Steel Gas Vent Pipe
Part Number: 186821
Size: 3 inch Diameter x 18 inch Length
Description: Single-wall stainless steel vent pipe section featuring Double Fail Safe™ self-sealing gasket technology and integrated locking clamp for gas-tight, positive-pressure venting applications. Designed for use with Category II, III, and IV gas-fired appliances.

Product Overview

The Z-Flex 2SVEPWCF0301.5 Z-Vent 3" x 18" vent pipe is engineered for professional installation in high-efficiency and condensing gas appliance systems. Constructed from 430 stainless steel, this single-wall vent section provides superior corrosion resistance and structural strength. The Double Fail Safe™ self-sealing gasket located in the female end ensures a secure, leak-free joint without the need for additional sealant. Each pipe section includes an integrated stainless locking clamp to maintain mechanical integrity under positive pressure operation. Z-Vent venting components are factory-tested and UL/ULC certified for use with Category II, III, and IV gas-fired equipment requiring stainless venting systems.

Technical Specifications

• Manufacturer Part Number: 2SVEPWCF0301.5
• Alternate Part Number: 186821
• Product Type: Single-Wall Gas Vent Pipe
• Series: Z-Vent
• Pipe Diameter: 3 inches (76 mm)
• Pipe Length: 18 inches (457 mm)
• Material: 430 Stainless Steel
• Wall Type: Single-wall
• End Connection: Male/Female slip-fit with Double Fail Safe™ self-sealing gasket
• Joint Retention: Integrated stainless steel locking clamp
• Temperature Rating: Up to 550°F (288°C)
• Pressure Rating: Positive pressure rated up to 15 in. w.c.
• Appliance Category: Category II, III, and IV gas-fired appliances
• Corrosion Resistance: Resistant to condensate and acidic flue gases
• Available Diameters: 3 to 24 inches
• Available Lengths: Standard lengths up to 10 ft (3" and 4" diameters only)
• Cutting Capability: Field-trimmable; ensure edges are deburred before installation
• Sealing Method: Factory-installed silicone gasket (Double Fail Safe™ design)
• Mounting Orientation: Vertical or horizontal installation
• Compliance: UL 1738 (U.S.) and ULC S636 (Canada) listed for gas vent systems
• Surface Finish: Mill finish stainless steel
• Country of Manufacture: USA

Installation Notes

• Inspect vent components prior to installation for shipping damage and gasket displacement.
• Verify the integrity and position of the silicone gasket before assembly.
• Insert male end fully into the female end until seated, then tighten the integrated locking clamp.
• Do not use additional sealants or lubricants unless specified by Z-Flex documentation.
• When field-cutting, use approved metal-cutting tools and deburr ends to maintain sealing performance.
• Install venting per Z-Flex installation manual, appliance manufacturer specifications, and applicable codes.
• Maintain required clearances to combustibles for single-wall venting per code requirements.

Summary

The Z-Flex 2SVEPWCF0301.5 Z-Vent 3" x 18" Single-Wall Stainless Steel Gas Vent Pipe provides a professional-grade, corrosion-resistant venting solution for Category II, III, and IV gas appliances. Featuring 430 stainless steel construction, a Double Fail Safe™ self-sealing gasket, and an integrated locking clamp, it delivers secure, high-performance venting suitable for positive-pressure applications requiring UL 1738 and ULC S636 compliance.