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Five square feet of FIRESIDE HEATING SURFACE per boiler horse power. Large furnace tube and reversing chamber achieve fully rated output with QUIET PERFORMANCE. S.B.I. schedule 3 rated.
Every FST Series boiler meets the rigid requirements of American Society of Mechanical Engineers as to material, construction and workmanship.
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2.5-inch FIRE TUBES eliminate necessity for turbulators or other baffling. Provides balanced flue gas flow, optimum heat transfer and low stack temperatures.
Wet back construction throughout.
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Gas tight front and rear smoke boxes eliminate soot leakage. Insulated, precision fitted doors, provide easy access for cleaning.
Water boiler available to
160 pounds working pressure.
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