Boiler Ratings And Capacities - Kenmore 3Ew.75 Owner's Manual

The Empire Water boiler is a natural draft oil fired
hot water boiler comprised of cast iron sections.
The Empire Water boiler is available with 3, 4,
or 5 cast iron sections. These sections are held
together by cast iron push nipples.
The Empire Water boiler is capable of firing #2
fuel oil from 0.65 gph up to 2.00 gph. All packaged
BOILER MODEL NO.
Without Tankless Coil
With Without
Tankless Coil Tankless Coil
»3EW.65T »3 EW23.65Z
»3EW.75T »3 EW23.75Z
3EW1.00T EW231.00Z
»4EW.90T »4 EW24.90Z
4EW1.25T EW241.25Z
4EW1.50T EW241.50Z
»5EW1.20T »5 EW251.20Z
5EW1.75T EW251.75Z
5EW2.00T EW252.00Z
*MBH = 1,000 BTU per hour
**Heating Capacity based on 13% CO2 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.
IntrODUCtIOn

BOIlEr ratIngS anD CaPaCItIES

**HEATING
NO. INPUT
CAPACITY
SEC. *MBH
*MBH
3 91 80
3 105 92
3 140 119
4 126 111
4 175 150
4 210 178
5 168 147
5 245 209
5 280 236
BTU = British Thermal Unit
boilers include a swing door, Honeywell aquastat,
temperature and pressure gage, relief valve, drain
valve, 2 Delevan oil nozzles for multiple firing rates
(only when purchasing a burner), flue brush, and
an extra boiler tap for an expansion tank or air
elimination.
NET
FIRING
I=B=R A.F.U.E.
RATE
RATING ++
+GPH
*MBH
70 0.65 86.3
80 0.75 85.2
103 1.00 83.4
97 0.90 86.0
130 1.25 83.9
155 1.50 82.4
128 1.20 86.5
182 1.75 83.6
205 2.00 82.0
4
DIMENSIONS
(inches)
MINIMUM
CHIMNEY
SIZE/HEIGHT
A B
8" X 8" X 15" 141/2 6
8" X 8" X 15" 141/2 6
8" X 8" X 15" 141/2 6
8" X 8" X 15" 173/4 6
8" X 8" X 15" 173/4 6
8" X 8" X 15" 173/4 6
8" X 8" X 15" 21 6
8" X 8" X 15" 21 6
8" X 8" X 20" 21 6
C
8
8
8
95/8
95/8
95/8
111/2
111/2
111/2