UpCodes logo
Go To Full Code Chapter
Where vent connectors for residential-type appliances are not installed in attics or other unconditioned spaces, connectors for listed appliances having draft hoods, appliances having draft hoods and equipped with listed conversion burners and Category I appliances shall be one of the following:
  1. Type B or L vent material.
  2. Galvanized sheet steel not less than 0.018 inch (0.46 mm) thick.
  3. Aluminum (1100 or 3003 alloy or equivalent) sheet not less than 0.027 inch (0.69 mm) thick.
  4. Stainless steel sheet not less than 0.012 inch (0.31 mm) thick.
  5. Smooth interior wall metal pipe having resistance to heat and corrosion equal to or greater than that of Item 2, 3 or 4.
  6. A listed vent connector.
Vent connectors shall not be covered with insulation.
Exception: Listed insulated vent connectors shall be installed in accordance with the manufacturer's instructions.
Upcodes Diagrams

Related Code Sections