Metal-Fab, Inc. has introduced a new line of larger diameter special gas vent for condensing gas appliances, CAT II, III, and IV.  New Corr/Guard® II 26”-36” diameters features a new flanged design that assures quick and easy liquid-tight connections.

Sealant is applied to the flanges, components are butted together and connected with a Vee band connector, engineered for exact, leak-free fit around the pipe flanges.

Corr/Guard® II is in full compliance with UL 1738 / CAN / ULCS636 - 1995. The flue is constructed with AL29-4C stainless steel. Choices of outside casings include aluminized steel, 430 stainless steel, 304 stainless steel, or 316 stainless steel. With this addition, the new Corr/Guard® II line now includes a complete selection of pipe and components in 6” -36” diameter, including new 7” and 9” diameters.

Metal-Fab, Inc., 800-835-2830,