Related illustrations

0850

Heat exchangers

· p. 143

The illustration shows a schematic cross section of a hot-water boiler with a side-mounted burner firing into the lower combustion chamber. Cool water is pumped into the bottom of a serpentine, finned heat exchanger, and

0748

Heat exchanger heat flow

· p. 121

The illustration shows a cutaway of a forced-air gas furnace heat exchanger with ribbon burners beneath multiple curved exchanger sections. Pink arrows trace the combustion-side flow upward through the interiors of the s

0851

Copper tube heat exchangers

· p. 143

The illustration shows a serpentine finned copper heat exchanger positioned above gas-fired ribbon burners in a boiler. Arrows identify cold water entering one end and hot water leaving the other, while a gas supply feed

1353

HRV and ERV heat exchangers

· p. 243

The illustration shows a ducted heat recovery ventilator with two blowers and a heat exchanger transferring heat from warm house exhaust air to incoming cool fresh air. Color-coded arrows distinguish cool supply air, war

1096

How steam systems work

· p. 191

A cross-sectional schematic shows a steam boiler below a room radiator, connected by steam supply and condensate return piping. A burner heats the boiler water, and red arrows trace hot steam rising to the radiator, wher

1097

Steam system operation: at rest

· p. 192

A building cross section shows a steam boiler below a radiator, connected by supply and return piping. At rest, the boiler is two-thirds to three-quarters filled with water at about 70°F, with the same water level in the

0847

How radiators heat the air through convection

· p. 142

A building cross section shows a hot-water heating system with a burner and heat exchanger on the lower level connected to a radiator above. Red supply piping carries hot water to the radiator, while blue return piping c