Dissolved solids are impurities such as calcium, silica, and iron dissolved in solution.

The American Boiler Manufacturer’s Association (ABMA) is a national organization that represents manufacturers of commercial, industrial, and utility steam generating and fuel burning equipment and suppliers.

The American Boiler Manufacturer’s Association (ABMA) is a national organization that represents manufacturers of commercial, industrial, and utility steam generating and fuel burning equipment and suppliers.

Dissolved solids are impurities such as calcium, silica, and iron dissolved in solution.

Dissolved solids are impurities such as calcium, silica, and iron dissolved in solution.

A forced draft fan is located in the breeching.

Centrifugal compressors generally do not have a great deal of compressive power, but they can handle a large volume of refrigerant.

Boiler room accidents can occur at any time.

In a high pressure gas system, gas is supplied through a high pressure gas main at a higher pressure than that within a typical residential gas supply line.

A modulating pressure control regulates the burner firing rate of high fire to low fire by sending an electrical signal that controls a modulating motor connected to a combustion equipment control linkage.