750-177 1-1
CHAPTER 1
General Description
A. General 1-1
B. The Boiler 1-2
C. Construction 1-2
D. Steam Controls (All Fuels) 1-2
E. Hot Water Controls (All Fuels) 1-4
A. General
The care taken in placing the boiler into initial service
is vital to continuous, reliable operation. If the boiler is
to be used for temporary heat (for example in new con-
struction), properly treated water must be used. Fail-
ure to do so can be detrimental to the boiler.
This manual covers Cleaver-Brooks Model
FLX boilers in sizes ranging from 1,500,000
to 12,000,000 Btu/hr input.
Fuel Series
700 - Gas
100 - No.2 0il
200 - Combination Gas & No.2 Oil
Design Pressure
160 psig hot water
15 psig steam
150 psig steam
Figure 1-1: FLX cutaway view