IfcBoilerTypeEnum

WATER: Water boiler.
STEAM: Steam boiler.
USERDEFINED: User-defined Boiler type.
NOTDEFINED: Undefined Boiler type.

Definition from IAI: Enumeration defining the typical types of boilers. The IfcBoilerTypeEnum contains the following:

HISTORY: New enumeration in IFC R2x.

EXPRESS specification:

TYPE IfcBoilerTypeEnum = ENUMERATION OF

(	WATER, STEAM, USERDEFINED, NOTDEFINED);

END_TYPE;