Special Features:

Designed for natural gas or fuel oil, pipe size 2 in., pressure 7.3 in. W.C., gas vent 14 in., dry weight 8700 lbs., length 124 in., width 54 in., height 83 inches

Properties:

A unit consisting of a series of metal shells and/or tubes assembled in integral form, utilizing a space enclosed within itself as a combustion chamber for burning fuel. The heat emanating from the burning fuel is absorbed by water circulating through the shells and/or tubes, raising the water temperature to a predetermined degree or changing its physical properties to steam. Excludes high pressure steam boilers over 15 pounds (6.804 kg) gauge working steam pressure.