Dunkirk EW Empire II Series II User Manual
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BOILER RATINGS AND CAPACITIES
BOILER
MODEL NO.
Without
Tankless Coil
INPUT
**HEATING
CAPACITY
*Mbh
‡NET
AHRI
RATING
WATER
*Mbh
A.F.U.E.
++
NO.
SEC.
MINIMUM
CHIMNEY
SIZE/
HEIGHT
DIMENSIONS
(inches)
+gph
*Mbh
A
B
C
3EW.65
0.65
91
80
70
86.3
3
8” X 8” X 15” 14½
6
8
3EW.75
0.75
105
92
80
85.2
3
8” X 8” X 15” 14½
6
8
3EW1.00
1.00
140
120
104
84.0
3
8” X 8” X 15” 14½
6
8
4EW.90
0.90
126
111
97
86.0
4
8” X 8” X 15” 17¾
6
9⅝
4EW1.25
1.25
175
151
131
85.0
4
8” X 8” X 15” 17¾
6
9⅝
4EW1.50
1.50
210
179
156
84.0
4
8” X 8” X 15” 17¾
6
9⅝
»5EW1.20
1.20
168
147
128
86.5
5
8” X 8” X 15”
21
6
11½
5EW1.75
1.75
245
210
183
84.3
5
8” X 8” X 15”
21
6
11½
* Mbh = 1,000 BTU per hour [BTU = British Thermal Unit]
**Heating Capacity based on 13% CO
2
with a 0.02” w.c. draft over fire, 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.
‡ Net AHRI Water Ratings based on piping and pickup allowance of 1.15. Consult manufacturer before selecting boiler
for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive
piping systems, etc.
>> Per Energy Star specifications, AFUE is rounded to the nearest whole percentage point. As such, this product qualifies for
Energy Star.
BOILER RATINGS AND CAPACITIES
Figure 1 - Dimensions