Burnham FCM120 - Manual (Page 3)

3
I Product Description
The FCM090 and FCM120 are aluminum gas fi red condensing boilers designed for use in forced hot water heating
systems requiring supply water temperatures of 180°F or less. These boilers are designed for installation on a wall,
however they may be fl oor mounted using an optional pedestal kit available from U.S. Boiler Company, Inc. 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 signifi cant amounts of dissolved oxygen.
II Specifi cations
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 (%)
WATER
VOLUME
(Gal.)
APPROX.
NET
WEIGHT
(lb)
FCM120 mono block 120,000 40,000 107,000 93 95.2 0.62 110
* Add suffi x “N” for natural gas and “P” for propane. Ratings are the same for both fuels.
Using 60/100mm Concentric Vent System Supplied with the Boiler................................................................25 in.
Using Optional 60/100mm Concentric Vent Components ................................................................................18 ft
Using Approved 3” AL29-4C Horizontal Stainless Vent System and Optional Stainless Steel Vent Kit..........55 ft
See Vent Section for additional venting options and requirements
TABLE 2.3: MAXIMUM VENT LENGTHS