DuraVent® FasNSeal® FSAVL4 Single Wall Vent, Stainless Steel, 4 in Dia x 18 in Adjustable L

Features

• 0.016 in THK inner and outer wall
• FasNSeal® is manufactured from AL29-4C®, a superferritic stainless steel designed for extreme resistance to chloride ion pitting, crevice corrosion and stress corrosion cracking, as well as general corrosion in oxidizing and moderately reducing environments
• AL29-4C® is an ideal choice for resisting deleterious effects of corrosive condensates created by partially or fully condensing natural gas and propane fired heating appliances
• FasNSeal® must be sized according to the heating appliance manufacturers instructions, NFPA 211, NFPA 54 and any other relevant local building codes and regulations
• Use to add length to straight length of FasNSeal pipe, adds 2 to 14 in of length, requires at least 2 in overlap for a secure connection
• Use with natural gas or propane Categories II, III and IV appliances or Canada's Type BH Gas Vent Systems, having a maximum rated operating temperature of 480 deg F and a maximum positive pressure of 15 in (FasNSeal Flex 6 in) water column

Application

• High Efficiency Gas Boilers
• Furnaces
• Booster Heaters
• Pool Heaters
• Water Heaters
• Unit Heaters or Tankless Water Heaters

Standards/Approvals/Certifications

• ULC S636
• UL 1738