I product description, Ii specifications – Burnham CHG225 User Manual
Page 3
3
Table 2.2: Specifications
MODEL*
NO. OF
SECTIONS
MAXIMUM
INPUT
(BTU/hr)
MINIMUM
INPUT
(BTU/hr)
D.O.E.
HEATING
CAPACITY
(BTU/hr)
IBR NET
RATING
(BTU/hr)
AFUE (%)
VENT COLLAR
DIAMETERS (IN.)
INLET
EXHAUST
CHG150
3
150,000
30,000
135,000
117,000
93.1
4
3
CHG225
4
225,000
56,250
202,000
176,000
94.2
4
4
* MODELS SHOWN ARE FOR NATURAL GAS. ADD “LP” SUFFIX TO MODEL NUMBER SHOWN FOR PROPANE MODEL NUMBER (ie CHG225LP).
PERFORMANCE RATINGS ARE THE SAME FOR BOTH FUELS.
Figure 2.1: General Configuration
I Product Description
The CHG is an aluminum gas fired condensing boiler designed for use in forced hot water heating systems
requiring supply water temperatures of 180°F or less. This boiler may be vented vertically or horizontally with
combustion air supplied from outdoors. This boiler is not designed for use in gravity hot water systems or
systems containing significant amounts of dissolved oxygen.
II Specifications