Related illustrations

0800

Three kinds of draft

· p. 132

Three cross-sectional diagrams compare natural, induced, and forced draft in forced-air gas furnaces. Each furnace has a burner beneath a heat exchanger, a vent connector above, and a separate house air blower below. The

0955

Three kinds of draft

· p. 162

Three cross sections compare natural, induced, and forced draft arrangements in forced-air gas furnaces. Each shows a burner, heat exchanger, vent connector, and separate house air blower beneath the heating assembly. Th