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| 3 | ||||||||
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| Approx. |
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| Dimensions |
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| (inches) |
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| Total Wt. |
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| Full of |
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| Boiler |
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| No. of |
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| G |
| Water (lb.) |
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| Model |
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| Sect. |
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| A |
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| B |
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| C |
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| D |
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| E |
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| F |
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| CHIMNEY RECOMMENDATIONS | ||||||||
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| (max) |
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| HEIGHT:15 ft. (minimum) from draft | ||||
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| 2 |
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| 81⁄8" |
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| 145⁄8" |
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| 4 |
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| 33" |
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| — |
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| 61⁄4" | 190 |
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| hood skirt to top of chimney. | ||||||||||||||||||||||||||
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| 3 |
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| 111⁄8" |
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| 175⁄8" |
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| 4 |
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| 37" |
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| 41⁄2" |
| 26" |
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| 61⁄4" | 250 |
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| INSIDE DIAMETER: Same as dimen- | |||||||||||||||||||||||||||
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| 4 |
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| 141⁄8" |
| 205⁄8" |
| 5 |
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| 37" |
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| 51⁄2" |
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| 251⁄2" |
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| 61⁄4" | 310 |
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| sion C (or larger). | ||||||||||||||||||
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| 171⁄8" |
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| 235⁄8" |
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| 6 |
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| 37" |
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| 71⁄2" |
| 25" |
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| 61⁄4" | 365 |
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| NOTE: Larger chimney may be | ||||||||||||||||
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| required if two or more boilers or a boil- | |||||||||||||||||||||||||||
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| 6 |
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| 201⁄8" |
| 265⁄8" |
| 7 |
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| 37" |
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| 81⁄2" |
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| 241⁄2" |
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| 81⁄4" | 425 |
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| er and another appliance are vented to | ||||||||||||||||||
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| a single chimney. | ||||
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| 201⁄8" |
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| 265⁄8" |
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| 6 |
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| 511⁄2" |
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| 101⁄2" |
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| 107⁄8" |
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| 61⁄4" | 425 |
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| Slant/Fin supplies vent dampers by | ||||||||||||||||||||||||||||||
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| 7 |
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| 231⁄8" |
| 295⁄8" |
| 7 |
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| 523⁄4" |
| 12" |
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| 107⁄8" |
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| 81⁄4" | 485 |
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| several manufacturers. Some are | ||||||||||||||||||||
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| 261⁄8" |
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| 325⁄8" |
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| 7 |
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| 523⁄4" |
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| 131⁄2" |
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| 107⁄8" |
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| 81⁄4" | 545 |
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| smaller than the indicated “G maxi- | ||||||||||||||||||
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| Orifice |
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| Orifice Sizes | for High Altitudes |
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| Includes 4% Reduction for Each 1000 Feet |
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| Size for |
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| Boiler |
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| Gas |
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| Elevation - Feet |
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| Sea |
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| Model |
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| Type |
| Level | 2000 |
| 3000 |
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| 4000 |
| 5000 |
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| 6000 |
| 7000 |
| 8000 | 9000 | 10000 |
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| Natural |
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| 50 | 51 | 51 |
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| Propane | 56 |
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| 56 |
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| 59 | 59 | 60 |
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| Natural |
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| 52 | 53 | 53 |
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| Propane | 57 |
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| 62 | 63 | 63 |
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Orifice indicated for sea level above are factory installed in boiler unless otherwise specified by the local authority. See III page 10 for burner input adjustment.
Base Assembly Sentry Boiler
Burners
Pilot
Burner
Access
Door
Gas Valve
INSTALLATION REQUIREMENTS
The installation must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the National Fuel Gas Code, ANSI
This installation must also conform to the additional requirements in this Slant/Fin Instruction Book.
NATURAL GAS-FIRED BOILER LOCATION
Provide a level, solid foundation for the boiler. Location should be as near as possible to chimney or outside wall so that the flue pipe from boiler is short and direct.
The location should also be such that the gas ignition system com- ponents are protected from water (dripping, spraying, rain, etc.) during appliance operation and service (circulator replacement, condensate trap, control replacement, etc.).
BOILER FOUNDATION
A. Provide a solid, level foundation, capable of supporting the weight of the boiler filled with water, and extending at least 2" past the jacket on all sides. See dimensions of boiler, page 2.
B. For installation on
C. If boiler is to be located over buried conduit containing electric wires or telephone cables, consult local codes or the National Board of Fire Underwriters for specific requirements.