METAL-FAB® Corr/Guard® Gas Vent Pipe, Single Wall, 4 in Dia, 48 in Length, Stainless Steel

METAL-FAB® Corr/Guard® Gas Vent Pipe, Single Wall, 4 in Dia, 48 in Length, Stainless Steel

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Single and Double-Wall Positive Pressure Special Gas Vent engineered for venting today's high efficiency natural gas-burning or propane fired appliances, categories II, III and IV as defined by the Standard for Gas-Fired Central Furnaces, ANSI Z21.47 and NFPA 54. Corr/Guard® products are tested and listed to UL 1738 for positive pressure applications up to 15 in w.g. Corr/Guard® features our exclusive Snap-Lock design in single wall and male to female slip connection in double wall, secured with self-tapping sheet metal screws. Manufactured from super ferritic AL29-4C stainless steel flue for corrosion resistance and continuous laser welded seams creates proper joint alignment, increasing product reliability and ease of installation in the field.