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28A Series Power-burner Boilers, fired with Oil, Gas or Both
Smith cast iron boilers are ideal in commercial applications for both
hot water and steam heating systems. The market leader in large commercial
cast iron boilers, 28A series boilers are available in fifteen sizes
from 900 to 4,270 MBH with high efficiencies.
Series 28A Boiler Features
- Rugged cast iron heat exchanger sections with integral flue collector
- High temperature flexible graphite port connectors provide the installation ease of a gasket and long life of a push nipple
- Graphite port connectors and ceramic fiber flue gas rope seals reduce assembly time and require no special assembly tools
- Short, individual draw rods simplify assembly and reduce stress
- Front and rear observation ports to visually inspect the flame and combustion chamber
- Easy-to-remove, front access covers and side mounted cover plates for quick and easy boiler cleaning
- Side mounted tankless coil domestic water heaters (when provided) for easy inspection and/or replacement
- Cast iron smoke hood with integral fail-safe breeching damper that is easily adjusted and locked into position
- Obround shapred upper port for improved internal circulation and dry steam
- Factory packaged or knocked down for field assembly
- Choice of Beckett, Carlin, Powerflame and Webster power burners with a wide array of controls (when provided)
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All Boilers
- Cast iron wet-base sections rated for 80 psi (hot water) and 15 psi (steam)
- ASME safety relief valve
- Hi limit, manual reset control
- Operating temperature or pressure control
- Burner mounting plate with insulation block
- Insulated metal jacket, steel floor rails and flue brush
Water boilers
- Temperature and pressure gauge
Steam Boilers
- Steam pressure gauge
- Low water cut-out with water gauge glass
Steam and Water
- Tankless coil domestic water heaters
- CSD-1, FM or IRI approved fuel trains
- Inspection tappings, return yoke and barometric damper
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28A Brochure (1.7MB)
