Awasome Hot Water Heater Flue Ideas. Web all water heater venting systems use a vent duct or pipe—also called a chimney or flue—to bring exhaust gases from the water heater to the outdoors. A typical individual venting project is shown in figure 22.
Which is the reason they should not be in contact with combustible material. Web you’ve probably heard the saying, “hot air rises.” atmospheric or chimney venting takes advantage of that natural convection. The duct may be metal or plastic, depending on the type of vent system.
