Burnham `A' `B' `C' `D' `E manual Ratings, Dimensions, Specifications

RATINGS

			DOE	I=B=R
Boiler	Maximum Input	Minimum Input	Heating Capacity	Net Rating
Model	(MBH)	(MBH)	(MBH)	(MBH)	AFUE %
CHG150	150,000	30,000	135,000	117,000	93.10
CHG225	225,000	56,250	202,000	176,000	94.20

SPECIFICATIONS
						Horizontal Venting		Vertical Venting
					Maximum		Maximum	Maximum	Maximum		Approx.
	Vent		Air Inlet			Vent	Air Inlet	Vent	Air Inlet	Water	Shipping
Boiler	Diameter		Diameter			Length	Length	Length	Length	Volume	Weight
Model	(inches)		(inches)		(Equiv. Ft.)		(Equiv. Ft.)	(Equiv. Ft.)	(Equiv. Ft.)	(gal.)	(lbs.)
CHG150	3			4		55	60	49.5	52	1.3	258
CHG225	4			4		55	60	47	52	1.1	323
DIMENSIONS										B
									D
Boiler									E		C
Model	‘A’		‘B’		‘C’	‘D’	‘E’
CHG150	23-3/8	18-3/4		8-1/8		13	3-1/2				22-1/4
CHG225	27	22-3/8		8-1/4		7-1/8	3
* All dimensions in inches
										A

43-3/4

	Temperature/			Top View
			Relief	Gas
LWCO	Pressure
4" Air	Gauge		Valve	Connection
Inlet Collar
F			1-1/4 Supply
Vent
Adapter		G	H
	Low Voltage
	Connections		Alternate Gas
			Connection
	Line Voltage
	Connections
	Alternate		1-1/4 Return
	1-1/4 Return
	Alternate		Condensate Drain
	Condensate Drain		Connection
	Connection
Front View		Right View		Back View

STANDARD EQUIPMENT	Digital Touchpad Display Panel	Flue Gas Temperature Sensor
Deluxe Insulated Jacket	Variable Speed Combustion Blower	Flame Sensor
Circulator - Shipped Loose	Negative Regulation Gas Valve	Differential Pressure Switch
Pressure Temperature Gauge	Venturi	High Limit
Drain Valve	Stainless Steel Mesh Burner	LWCO and Transformer
MCBA Microprocessor Control	Supply Water Temperature Sensor	Condensate Trap
w/ Outdoor Reset (standard)	Return Water Temperature Sensor	Air Inlet Screen
		Safety Relief Valve

	© 2006 U.S. Boiler Company, Inc. - Lancaster, PA
	Phone: 1-888-432-8887
Form No. PL81401311000-6/06-10MS	www.burnham.com	Printed in the U.S.A.