Boiler Comparison Guide
| Bryan flexible water tube steel boilers | Firetube steel boilers | Cast iron boilers | Competitive water tube boilers |
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Installation |
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Minimal assembly required for new building installations | x | x | x | x |
Will pass through standard doorway in existing buildings | x |
| x |
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Right hand or left hand construction | x |
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| 35 |
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Estimated years of service life | to | 25 | 35 | ? |
| 40 |
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Full 5 sq ft heating surface per boiler HP or more | x | ? | ? | ? |
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Space Requirements |
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Minimal floor space needed to set and service | x | ? | x | ? |
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Maintenance |
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No major disassembly required for cleaning | x |
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No welding or rolling required to remove and replace tubes | x |
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| x |
No repairs to damage caused by thermal shock | x |
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25 year | x |
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Efficiency |
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Highest operating efficiency based on combustion efficiency | x | ? | ? | ? |
and burner motor horsepower |
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Close match to specific load based on numerous sizes available | x | ? | ? | ? |
Size range from 6 HP through 500 HP | x | x | ? | ? |
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Fuels |
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Oil, gas or gas/oil | x | x | x | x |
Atmospheric gas | x |
| x |
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Each of above available with electric if desired | x |
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Specialty applications |
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Large buildings | x | x | x | x |
x | x |
| x | |
Process steam, high pressure | x | x |
| x |
Process steam, low pressure | x | x | x | x |
Low temperature return water application not requiring external pump | x |
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* Replacement of sections requires extensive labor and downtime.
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