Easco Boiler Corp. | Field Erected & Packaged Quality Steel Boilers A Division of THE A.L. EASTMOND & Sons Corporation
Scotch Marine Boilers
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Item # FPS-250, MODEL FPS - FOUR PASS SCOTCH MARINE BOILER


EASCO Four pass scotch marine design has higher thermal efficiency, up to 3% more efficient than a 3-pass boiler design. EASCO FPS model is wet back fire tube is designed to increase longevity and enhanced durability, has larger steam space and disengaging area. Available in 15psig steam and up to 160psig water design, submersible tank less Domestic Hot water coils are optional.

  • High Efficiency
  • Low Heat Release
  • Low Furnace Pressure
  • 5 Square Feet of Heating Surface per Boiler Horsepower
  • Large Steam Space and Disengaging Area





  • Boiler Rating  · Characteristic Data  · Boiler Dimensions  · Boiler Service Connection Locations  · Boiler Service Connection Sizes

    Boiler Rating

    Horse Power

    250 bhp

    Steam or Hot Water

    8,369 mbh

    Steam, @ 212 F

    8,625 pph

    Natural Gas, @ 1,000 btu/ft3

    10,206 cfh

    Light Oil, @140,000 btu/gal

    72 gph

    Heavy Oil, @ 150,000 btu/gal

    68 gph


    Characteristic Data

    Heating Surface, Fireside

    1,250 sf

    Furnace Volume

    87.8 cf

    Furnace Heat Release Rate

    116,242 bcfh

    Steam Disengaging Area

    64.3 sf

    Steam Space

    58.4 cf

    Water Content, Steam Application

    1,479 gal

    Water Content, Water Application

    1,916 gal

    Shipping/Dry Weight, Approx.

    17,700 lb

    Operating/Wet Weight, Approx.

    33,600 lb


    Boiler Dimensions

    A - Overall Length

    View
    215-3/8 in

    A' - Overall Length w/o Burner

    View
    186 in

    B - Shell Length

    View
    151-1/4 in

    C - Tube Removal Clearance

    View
    157-1/4 in

    D - Rear Door Swing Clearance

    View
    52-3/4 in

    E - Platform Length

    View
    50-3/8 in

    F - Skid Length

    View
    181-3/8 in

    G - Fr. Saddle Location

    View
    12 in

    H - Distance Between Saddles

    View
    111 in

    I - Saddle Side Width

    View
    8 in

    J - Overall Width

    View
    101-3/8 in

    J' - Overall Width, w/o Trims

    View
    83-1/8 in

    K-Saddle Front Width

    View
    62 in

    L - Overall Height

    View
    114-1/2 in

    M - Normal Water Line

    View
    74-3/4 in

    N - Boiler Center Height

    View
    51-3/8 in

    0 - Furnace Center Height

    View
    32-7/8 in

    P - Shell Bottom Clearance

    View
    12 in

    Q - Skid Height

    View
    6 in


    Boiler Service Connection Locations

    R - Supply C.L. to Shell Front End

    View
    44 in

    S-Supply Height

    View
    96-3/4 in

    T - Return C.L. to Shell Front End

    View
    106 in

    U - Return Height

    View
    20-3/4 in

    V - Flue Outlet C.L. to Shell Front End

    View
    11 in

    W - Flue Outlet Height

    View
    94 1/16 in


    Boiler Service Connection Sizes

    a - Supply, Steam/Hot Water

    View
    8/6 NPS

    b - Flue Outlet

    View
    20 in

    c - Safety Valves

    View
    2-1/2 NPT

    d - Control Header

    View
    1 NPT

    e - Surface Blowdown

    View
    2 NPT

    f - Washout

    View
    2 NPT

    g - Return & FW, Steam/Hot Water

    View
    4/6 NPS

    h - Bottom Blowdown

    View
    2 NPT

    i - Aquastat

    View
    3/4 NPT

    j - Oil Preheater, Optional

    View
    2 NPT

    k - Top inspection/Manhole Access

    View
    12x16 NPT


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     MORE IMAGES 

    ·  Model FPS Drawing 1

    ·  Model FPS Drawing 2


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