Check valves are available as swing, lift, and spring check valves.

Check valves are available as swing, lift, and spring check valves.

The ___ is a nongovernmental international organization that is comprised of national standards institutions of over 90 countries.

Dampers regulate draft by restricting the flow of air and/or the gases of combustion.

A general boiler room safety rule says that when performing a bottom blowdown, the quick-opening valve should be opened first and closed last.

Electric spark igniters are controlled by combustion safety control systems.

A(n) ___ is an absorption chiller system component that vaporizes the refrigerant and separates it from the absorbent.

Gas burners can only be high pressure gas burners.

Return steam traps discharge condensate directly back to the boiler.

A general boiler room safety rule says that when performing a bottom blowdown, the quick-opening valve should be opened first and closed last.