Area source boilers emit only small amounts of pollutants, p…

A hydrostatic test is a steam test used to check for boiler…

The safety valve on a low pressure boiler is designed to ope…

Fuel oil can be classified as distillate fuel oil or heavy f…

Fuel oil can be classified as distillate fuel oil or heavy f…

Scale and sediment cause pitting of boiler metal surfaces.

Thermal efficiency can be as high as ___% on some boilers.

Latent heat is heat identified by a change of state and no t…

A ___ is a device that sends a signal to a controller, such…

In almost all heating applications, the control valve of a h…