Related illustrations

0730

Three kinds of draft

· p. 116

Three cross sections compare natural, induced, and forced draft arrangements in forced-air gas furnaces. The natural-draft furnace has an atmospheric burner, a heat exchanger, and a draft hood admitting dilution air into

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