Heatfab Saf-T Vent - Model CI Plus / CI 316 -Commercial Double-wall Special Gas Vent System

• Factory-built for high quality, durability and long life
• 4" to 32" diameters (ID) to fit the wide range of commercial and residential applications
• Double wall 1" air or 1" fiber blanket option for reduced skin temperature
• Super ferritic stainless steel flue bearing conduit which meets UNS S44735 (29-4C) for superior resistance to acids commonly found in boiler flue condensate
• Alternate 316L stainless steel inner material is also available where 29-4C may not be required
• Component connection system engineered with an overlapping joint design to keep acidic condensate away from the seal
• Factory-installed integral seal (4"-16" ID) for quick & easy installation (18”-32” ID field applied UL listed Heatfab sealant)

• Patented Sure Seal™ locking system allows quick and easy installation and locks on inner flue conduit for a strong secure joint
• Up to 550° F maximum temperature rating with low clearance to combustibles, including zero clearance applications
• Superior safety factor versus PVC/CPVC for higher flue temperatures attributed to over-firing appliances
• Array of components and accessories designed to make installation simple and quick
• Tested and listed to UL 1738 (Special Gas Vent), ULC-S636 (Type BH Gas Vent); Oil: UL 641, ULC S609 and ULC/ORD-441 (double-wall CI)
• Backed by Saf-T Vent 5-Year/15-Year Limited Warranty

• Mid-efficiency and high-efficiency gas fired boilers, water heaters and furnaces
• Negative, neutral, or positive pressure vent systems
• Condensing or near-condensing gas vent systems

Heatfab Saf-T Vent is used in schools and government facilities, office buildings, hotels, hospitals, restaurants, retail space, multi-story tenant apartments, residential homes and more.