Boiler water analysis tests the condition of boiler water and is used to determine the feedwater treatment required.

In a scotch marine boiler, the gases of combustion pass through tubes that are surrounded by water.

A(n) ___ water softener softens water by replacing calcium and magnesium with sodium.

Corrosion can be prevented by preheating the feedwater fed to a boiler to help remove oxygen and carbon dioxide.

In a low pressure gas system, the manual reset valve cannot open until the gas pilot is lit.

Because each section of a(n) ___ boiler is modular, sections can be assembled on-site to produce the boiler capacity required.

Because each section of a(n) ___ boiler is modular, sections can be assembled on-site to produce the boiler capacity required.

A safety valve prevents backflow to a fuel tank from a fuel oil system.

___ weakens the metal and shortens the life of a boiler.

Flash gas is a refrigerant that boils off and cools liquid refrigerant when some of the refrigerant molecules absorb heat from the other refrigerant molecules.