Product Description; Specifications; General Configuration - Burnham CHG CHG225 Installation & Operation Manual

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.
Table 2.2: Specifications
NO. OF
MODEL*
SECTIONS
CHG150 3
CHG225 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.
I Product Description
II Specifications
Figure 2.1: General Configuration
MAXIMUM MINIMUM
INPUT INPUT
(BTU/hr) (BTU/hr)
150,000 30,000
225,000 56,250
D.O.E.
IBR NET
HEATING
RATING
CAPACITY
(BTU/hr)
(BTU/hr)
135,000 117,000
202,000 176,000
VENT COLLAR
DIAMETERS (IN.)
AFUE (%)
INLET EXHAUST
93.1 4
94.2 4
3
4
3