4" x 8" Aluminum Alloy / Galvanized Steel Double Wall Round Gas Vent Pipe Increaser - SureLock

902393 MFG #: 4MIX8
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Type B Gas Vent Products are Tested and Listed to UL 441 for Approved Gas Appliances and Feature Our Innovative Twist-Lock Connection and Locking Tab, Eliminating the Need for Sheet Metal Screw; Metal-Fab Type B Gas Vent Combines Hemmed Flues and Casings that Maximize Product Durability and Reliability and Minimize Installation Time; Made in USA
Gas Vent Pipe Increaser; Type Double Wall, Round; Larger End Size 8 Inch; Smaller End Size 4 Inch; Material Thickness 0.012 Inch (Inner Wall), 0.018 Inch (Outer Wall); Material Aluminum Alloy (Flue), G90 Galvanized Steel (Casing); Applicable Standard UL 441, NFPA 54/211; Height 8.5 Inch; Temperature Rating 550 Deg F; Clearance 1 Inch; Used on Type B Gas Vent; Application Gas Boiler, Furnace, Unit and Radiant Tube Heater, Fireplace