—14—
DIMENSIONS
MODELS BW4 and BW5
A
19
5
⁄
8
″
GAGE
36
″
1
1
⁄
4
″
RETURN
1
1
⁄
4
″
SUPPLY
CONTROL
TANKLESS
HEATER
1
⁄
2
″
N.P.T.
9
″
C
B
3
⁄
4
″
ASME
RELIEF
VALVE
FRONT
SIDE
REAR
DIMENSIONS (In
.)
UNIT SIZE
A
B
C
140
17-3/4
6
9-3/4
210
21
6
11-3/8
280
24-1/4
6
13
CLEARANCES (In.
)
*
Clearance 18 in. for BW5.
† Service clearance requirement 24 in.
RIGHT SIDE
1
6
*
LEFT SIDE
1
6
*
TOP
1
6
*
BACK
1
6
*
FRONT
1
6†
FLUE
18
*
RATINGS AND PERFORMANCE
*
MBH = 1,000 BTU per hour / BTU = British Thermal Unit.
**
Heating Capacity is based on a 13 percent C02 with a –0.02 in. wc and a #1 smoke or less. Testing was done in accordance with the D.O.E. (Department of
Energy) test procedure.
+GPH = Gallons per hour oil at 140,000 BTU per gallon.
++A.F.U.E. = Annual Fuel Utilization Efficiency based upon D.O.E. test procedure.
As an Energy Star Partner, the manufacturer has determined that this product meets Energy Star guidelines for Energy Efficiency.
BOILER MODEL NO.
NO. SEC.
INPUT
*MBH
**HEAT-
ING CA-
PACITY
*MBH
NET
I=B=R
RATING
*MBH
FIRING
RATE
+GPH
A.F.U.E. ++
MINIMUM CHIMNEY
SIZE/ HEIGHT
DIMENSIONS - IN.
WITH TANKLESS
COIL
WITHOUT TANKLESS
COIL
A
B
C
BW5BAH091
BW4BAH091
3
91
80
70
0.65
86.3
8-in. x 8-in. x 15 ft
14-1/2
6
8
BW5BAH105
BW4BAH105
3
105
92
80
0.75
85.2
8-in. x 8-in. x 15 ft
14-1/2
6
8
BW5BAH140
BW4BAH140
3
140
119
103
1
83.4
8-in. x 8-in. x 15 ft
14-1/2
6
8
BW5BAH126
BW4BAH126
4
126
111
97
0.9
86.0
8-in. x 8-in. x 15 ft
17-3/4
6
9-5/8
BW5BAH175
BW4BAH175
4
175
150
130
1.25
83.9
8-in. x 8-in. x 15 ft
17-3/4
6
9-5/8
BW5BAH210
BW4BAH210
4
210
178
155
1.5
82.4
8-in. x 8-in. x 15 ft
17-3/4
6
9-5/8
BW5BAH168
BW4BAH168
5
168
147
128
1.2
86.5
8-in. x 8-in. x 15 ft
21
6
11-1/2
BW5BAH245
BW4BAH245
5
245
209
182
1.75
83.6
8-in. x 8-in. x 15 ft
21
6
11-1/2
BW5BAH280
BW4BAH280
5
280
236
205
2
82.0
8-in. x 8-in. x 20 ft
21
6
11-1/2
Summary of Contents for BS1
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