2SVWT03 Z-Flex Stainless Steel Power Vent Wall Thimble 3IN Single Wall 106685

The Z-Flex Z-Vent 2SVWT03 Wall Thimble is a single-wall stainless steel venting component engineered for Category II, III, and IV gas appliance installations requiring AL29-4C special gas vent systems. This adjustable wall penetration fitting provides a code-compliant means of transitioning a vent system through combustible or noncombustible building walls, maintaining proper clearances and system integrity in positive-pressure and high-temperature venting applications.

Technical Specifications

• Manufacturer: Z-Flex Inc.
• Brand: Z-Vent
• Model Number: 2SVWT03
• Part Number: 106685
• Product Type: Adjustable Wall Thimble
• Vent System Type: Single-wall AL29-4C stainless steel vent
• Inside Diameter (ID): 3 inches
• Outside Diameter (OD): 5 inches
• Overall Length: 10 inches (adjustable)
• Overall Width: 10 inches
• Material: AL29-4C stainless steel
• Adjustment Range: Field-adjustable to accommodate wall thickness variations
• Wall Construction Compatibility: Suitable for combustible and noncombustible walls
• Operating Temperature: Up to 550°F (288°C) continuous
• Pressure Rating: Positive pressure rated up to 15 in. w.c.
• Finish: Mill stainless steel
• Application: Wall penetration component for high-efficiency gas appliances, condensing boilers, and water heaters
• Compliance: UL 1738 and ULC S636 listed for special gas vent systems
• Installation: Designed for use with Z-Flex Z-Vent 3-inch single-wall vent components; requires no field sealant

Summary

The Z-Flex Z-Vent 2SVWT03 adjustable stainless steel wall thimble provides a professional-grade solution for venting system wall penetrations. Designed for 3-inch single-wall AL29-4C venting, it ensures proper clearance and safe passage of gas vent piping through structural assemblies. Built to UL 1738 and ULC S636 standards, this component supports code-compliant installation in high-efficiency mechanical systems and is intended for use by qualified HVAC contractors and mechanical installers.