Burnham FCM120 I Product Description, II Speciﬁcations, TABLE 2.2: SPECIFICATIONS, TABLE 2.3: MAXIMUM VENT LENGTHS

I Product Description

The FCM090 and FCM120 are aluminum gas ﬁred 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 ﬂoor 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 signiﬁcant amounts of dissolved oxygen.

II Speciﬁcations

TABLE 2.2: SPECIFICATIONS

		MAXIMUM	MINIMUM	D.O.E.	IBR NET		WATER	APPROX.
	NO. OF	MAXIMUM	MINIMUM	HEATING	IBR NET		WATER	NET
MODEL*	NO. OF	INPUT	INPUT	HEATING	RATING	AFUE (%)	VOLUME	NET
MODEL*	SECTIONS	INPUT	INPUT	CAPACITY	RATING	AFUE (%)	VOLUME	WEIGHT
	SECTIONS	(BTU/hr)	(BTU/hr)	CAPACITY	(BTU/hr)		(Gal.)	WEIGHT
		(BTU/hr)	(BTU/hr)	(BTU/hr)	(BTU/hr)		(Gal.)	(lb)
				(BTU/hr)				(lb)

FCM120	mono block	120,000	40,000	107,000	93	95.2	0.62	110

* Add sufﬁx “N” for natural gas and “P” for propane. Ratings are the same for both fuels.

TABLE 2.3: MAXIMUM VENT LENGTHS

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