DuraVent Type B Gas Vent Standard Connection Tee - 3" Diameter - 3GVT: A venting pipe with a 3" inner diameter is required for this unit. This connection tee is for the Type B gas vent standard with a three inch diameter. This connection tee can be used to vent hot a water heaters a boiler a furnace a gas fired fireplace a wall heater a space heater or any other Category 1 appliance. The connection tee has an inner wall of .012 aluminum and an outer wall and .018 galvanized steel. The connection tee contains all the fittings screws and other hardware you need for easy installation.

Creates 90 degree offset for gas vent piping Conveniently connects two appliances to a single vent For use with 3" Dura-Vent Type B Gas Vent pipes Branch swivels for simple alignment 25-year warranty