4520-33-189-9881

Low Pressure Heating Boiler

4520331899881 331899881 CALDERA NTD 400 190190008

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. View more Low Pressure Heating Boiler