Related illustrations

1102

Steam system operation: thermostat is satisfied

· p. 192

A building cross section shows a steam boiler and burner below a radiator, connected by steam and condensate return piping. At stage A, the satisfied thermostat turns off the burner. At stage B, steam in the radiator coo

1124

Air vents

· p. 197

The illustration shows steam entering a sectional radiator and displacing air through a side-mounted air vent. Enlarged cross sections show the vent shell, float, diaphragm, needle, seat, connecting nipple, and drainage

1098

Steam system operation: call for heat

· p. 192

A building cross section illustrates the call-for-heat sequence in a steam heating system, with a boiler and burner below a room radiator. The thermostat calls for heat and turns on the burner, heating boiler water to bo

1100

Dimension "A"

· p. 192

A building cross section shows a steam boiler below a radiator, connected by a supply main and condensate return piping. Red arrows indicate rising hot steam, while blue arrows indicate returning condensate; the radiator

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

1112

Location of boiler feed pump

· p. 194

A building cross section shows a steam boiler and boiler feed pump below a radiator. Red arrows trace steam from the boiler header through the supply main and up the radiator supply pipe, while blue arrows indicate retur

1104

One pipe counterflow system

· p. 193

A building cross section depicts a one-pipe counterflow steam heating system with a boiler below a radiator. Red arrows show steam traveling through the supply main toward the radiator, while blue arrows show condensate

1101

Equalizer pipe

· p. 192

A cross-sectional schematic shows a steam boiler supplying a radiator on the floor above through a supply main. Red arrows indicate rising hot steam, while blue arrows indicate returning condensate flowing toward the wet