Smith 28A/28HE/RTSHE Series

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SMITH PART #70-1205 - 4 Hole End for 28A/RTS/HE Series - Oswald Supply
SMITH PART #70-1204 - 3 Hole End for 28A/RTS/HE Series - Oswald Supply
SMITH PART #70-1201 - Flanged End for 28A/RTS/HE Series - Oswald Supply

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Smith Cast Iron Boilers has taken the field-proven design of 28A series commercial boilers to even higher levels of performance and efficiency with 28HE series, high-efficiency boilers. Available in fifteen sizes ranging from 931 to 4,622 MBH, Smith 28HE series steam boilers are designed to provide the highest combustion and thermal efficiencies possible with forced draft firing.

Features of the smith 28/RTS/HE boiler:
Rugged cast iron heat exchanger sections with integral flue collector
Heat transfer rods and extra thick (3") insulated jacket for increased performance
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
A 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 shaped upper port for improved internal circulation and dry steam
Knocked down for field assembly. Factory packaged available.
Choice of Beckett, Carlin, Powerflame and Webster power burners with a wide array of available controls

Standard equipment included:
Cast iron wet-base sections rated for 15 psi (steam)
ASME safety relief valve, 15 psi
Manual reset, Hi-Limit pressuretrol (Boiler Burner units only)
Stack Thermometer
Operating pressuretrol (Boiler Burner units only)
Burner mounting plate with insulation block
Insulated metal jacket, steel floor rails and flue brush
Steam gauge
Gauge glass with fittings

Optional Equipment:
Tankless coil domestic water heaters
CSD-1, FM or IRI approved fuel trains
Inspection tappings, return yoke and barometric dampers
Low Nox available