[Code of Federal Regulations]
[Title 10, Volume 3]
[Revised as of January 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR431.82]

[Page 417-418]
 
                            TITLE 10--ENERGY
 
                    CHAPTER II--DEPARTMENT OF ENERGY
 
PART 431_ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL 
EQUIPMENT--Table of Contents
 
                  Subpart E_Commercial Packaged Boilers
 
Sec. 431.82  Definitions concerning commercial packaged boilers.

    The following definitions apply for purposes of this subpart E, and 
of subparts A and J through M of this part. Any words or terms not 
defined in this section or elsewhere in this part shall be defined as 
provided in 42 U.S.C. 6311.
    Combustion efficiency for a commercial packaged boiler means the 
efficiency descriptor for packaged boilers, determined using test 
procedures prescribed under Sec. 431.86 and equals to 100 percent minus 
percent flue loss (percent flue loss is based on input fuel energy).
    Commercial packaged boiler means a type of packaged low pressure 
boiler that is industrial equipment with a capacity, (rated maximum 
input) of 300,000 Btu per hour (Btu/hr) or more which, to any 
significant extent, is distributed in commerce:
    (1) For heating or space conditioning applications in buildings; or

[[Page 418]]

    (2) For service water heating in buildings but does not meet the 
definition of ``hot water supply boiler'' in this part.
    Condensing boiler means a commercial packaged boiler that condenses 
part of the water vapor in the flue gases, and that includes a means of 
collecting and draining this condensate from its heat exchanger section.
    Flue condensate means liquid formed by the condensation of moisture 
in the flue gases.
    Manufacturer of a commercial packaged boiler means any person who 
manufactures, produces, assembles or imports such a boiler, including 
any person who:
    (1) Manufactures, produces, assembles or imports a commercial 
packaged boiler in its entirety;
    (2) Manufactures, produces, assembles or imports a commercial 
packaged boiler in part, and specifies or approves the boiler's 
components, including burners or other components produced by others, as 
for example by specifying such components in a catalogue by make and 
model number or parts number; or
    (3) Is any vendor or installer who sells a commercial packaged 
boiler that consists of a combination of components that is not 
specified or approved by a person described in paragraph (1) or (2) of 
this definition.
    Packaged boiler means a boiler that is shipped complete with heating 
equipment, mechanical draft equipment and automatic controls; usually 
shipped in one or more sections and does not include a boiler that is 
custom designed and field constructed. If the boiler is shipped in more 
than one section, the sections may be produced by more than one 
manufacturer, and may be originated or shipped at different times and 
from more than one location.
    Packaged high pressure boiler means a packaged boiler that is:
    (1) A steam boiler designed to operate at a steam pressure higher 
than 15 psi gauge (psig); or
    (2) A hot water boiler designed to operate at a water pressure above 
160 psig or at a water temperature exceeding 250 [deg]F, or both; or
    (3) A boiler that is designed to be capable of supplying either 
steam or hot water, and designed to operate under the conditions in 
paragraphs (1) and (2) of this definition.
    Packaged low pressure boiler means a packaged boiler that is:
    (1) A steam boiler designed to operate at or below a steam pressure 
of 15 psig; or
    (2) A hot water boiler designed to operate at or below a water 
pressure of 160 psig and a temperature of 250 [deg]F; or
    (3) A boiler that is designed to be capable of supplying either 
steam or hot water, and designed to operate under the conditions in 
paragraphs (1) and (2) of this definition.

                             Test Procedures