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    • Brand: Powermaster
    • Boiler for the production of: Pressurized hot water.
    • Series: SWB-HW.
    • Design: Horizontal Semi-Wet-Back.
    • Fuels: LP Gas, Natural Gas, #2 Oil, Digester Gas.
    • Type: Firetube, Horizontal, Packaged boiler, Scotch Marine.
    • Capacities: 10 – 60 HP.
    • Standard design pressure: up to 150 PSIG.
    • Special design pressure: up to 300 PSIG.
    • Number of passes: 3.
    • Heat exchange surface: 5 ft2/HP.
    • Operation: Fully Modulating.
    • Included auxiliary equipment: None.




    A. Furnace.

    B. Semi-Wet-Back design.

    C. Sightglass.

    D. Gas side relief valves.

    E. Small refractory in back door.

    F. Hot water inlet & outlet.

    G. Structural steel base.

    H. Will suit any brand of burner.


    1. First pass.

    2. Second pass.

    3. Third pass.