Related illustrations
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· p. 281
A cutaway depicts an insulated, high-efficiency gas storage water heater with a stainless steel combustion chamber and coiled exhaust piping surrounded by tank water. The burner is located low in the tank, with a forced
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· p. 133
The illustration shows a schematic cutaway of a high-efficiency gas furnace with a long, serpentine primary heat exchanger and a secondary heat exchanger below it. Combustion air enters from above at the burner, whose fl