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| BOILER | RATINGS |
| AND CAPACITIES |
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BOIIiR | MOI)EI.NO |
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| NET |
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| DIMENSIONS |
| (inches) | |||
Wlill |
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| WIIIIOU | I |
| NO | INPUI |
| **llliA'[ | ING | I=B:R |
| HRING | A t: tJ | I | MINIMUM |
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IANK[ISS |
| IANKIESS |
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| Sli(' | +M[_II | ( APA('IIY | RA'I IN(i | RA'II_ | _+ |
| CHIMNEY |
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('Oil |
| ('OIl |
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| *MBH |
| *MBH | +GPH |
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| SIZE / HEIGHT | A | B | C | ||||||||
niw | (_5I ¸ | 3[!W65Z |
| - | 3 | 91 |
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| 80 |
| 70 |
| 0.65 | 863 |
| 8" X 8" | X | 15' | 14+1/2 | 6 | 8 | ||||
31,W | 751 | 3EW | 75Z |
| 3 | 105 |
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| 92 |
| 80 |
| 075 | 852 |
| 8" | X 8"X | 15' |
| 6 | 8 | ||||
31!WI |
| OttI ¸ | 3EWI | IRIZ |
| 3 | 140 |
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| II9 |
| 103 |
| 100 | 83 4 |
| 8" | X 8" | X | 15' | 6 | 8 | |||
4[iw | 90T | 4EW | 99Z |
| 4 | 126 |
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| II[ |
| 97 |
| 090 | 860 |
| 8" | X 8" | X | 15' | 6 | |||||
41!WI |
| 251 | 4EWI | 25Z |
| 4 | 175 |
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| 150 |
| 130 |
| I +25 | 839 |
| 8" | X 8" | X | 15' | 6 | ||||
41LWl |
| 501 | 4EWl | 50Z |
| 4 | 210 |
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| 178 |
| 155 |
| 150 | 82.4 |
| 8" | X 8" | X | ] 5' | 6 | ||||
5EWI | 20'I | 5EWI | 20Z |
| 5 | 168 |
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| 147 |
| 128 |
| 1+20 | 865 |
| 8" | X 8" | X | 15' | 21 | 6 | 1 | |||
5EWI.75 | I | 5EWI | 75Z |
| 5 | 245 |
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| 209 |
| 182 |
| 1.75 | 836 |
| 8" | X 8" | X | 15' | 21 | 6 | ||||
00"[ | SEW200Z |
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| 5 | 280 |
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| 236 |
| 205 |
| 2 00 | 820 |
| 8" | X 8" X 20' | 21 | 6 | [ | ||||||
*MBH |
| 1,000 | BTU | per | hour |
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| BTU | British | Thermal | Unit |
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+'*Heating | Capacity | based |
| on | 13% CO2 | with | a | 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. |
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_GPB |
| Gallons | per hour oil at 140,000 | BTU | per | gallon |
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+ _A F U E. = Annual |
| Fuel | Utilization | Efficiency | based | upon DOE | test | procedure. |
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These low pressure oil fired hot water boilers are constructed and hydrostatically tested for a maximum working pressure of 50 psig (pounds per square inch gage) in accordance with A.S.M.E. (American Society of Mechanical Engineers) Boiler and Pressure Vessel Code Section IV Standards for heating boilers.
The Heating Capacity indicates the amount of heat available after subtracting the losses up the stack. Most of this remaining heat is available to heat water. A small portion is heat from the jacket and surfaces of the boiler, and it is assumed that this heat stays in the structure. The Net I=B=R Rating represents the portion of the remaining heat that can be applied to heat the radiation or terminal units (i.e. finned tube baseboard, cast iron radiators, radiant floor, etc.). The difference between the Heating Capacity and the Net I=B=R Rating, called the piping and pickup allowance, establishes a reserve for heating the volume of water in the system and offsetting heat losses from the system piping. The Net
Boilers with the same number of sections are identical to each other except for their firing rate. The firing rate is
deternuned by the nozzle size in the oil burner and the oil pressure at the nozzle. For example: Models 3E.65Z, 3E.75Z, and 3El .00Z are the same boiler, without a tankless coil, except for the firing rate of the oil burner.
Models 4E.90T, 4El .25T, and 4El.50T are the same boiler, with a tankless coil, except for the firing rate of the oil burner.
Each boiler rating plate shows three possible model nutnbcrs for a given boiler configuration. The actual model tmnaber is determined by the firing rate of the oil burner. Boilers that are factory packaged include two nozzles for two firing rates. These boilers operate on #2 Heating Oil.