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Forespar 253 Series Marelon Mushroom Head Thru-Hull Fitting

  • Type: Threaded with Hose Barb, Select Hose I.D.
  • Material: Marelon, Rated for Above / Below Waterline
  • Marelon Exceeds Marine UL / ABYC Standards
  • Item #: 
    503525
    Brand: 
    Forespar
    Model #: 

    Multiple Sizes Available

    List Price: 
    From $18.95 To $43.45
    Our Price:
    From $15.99 To $34.99
    503525 Forespar Forespar 253 Series Marelon Mushroom Head Thru-Hull Fitting Multiple Sizes Available

    Click Here to See More Information about Forespar Marelon Plumbing Products

    Features:

    • Forespar Marelon® mushroom head thru-hull with hose barb connection
    • Suitable for use 6 inches or more above the waterline
      • Less than 6" requires a seacock
    • Marelon fittings are popular with many top quality boat builders worldwide
    • Marelon® is a proprietary formulation of polymer composite compounds using composite reinforced polymer and additives to produce a superior marine-grade product
      • Designed for use above and below the waterline
      • Complete freedom from corrosion
      • High strength
      • UV Stabilized
      • Will not freeze or become brittle with age or temperature extremes
      • U.L. and A.B.Y.C. approved
      • Marelon fittings can be installed using the same techniques and materials as bronze fittings

    Marelon® Comparison Chart  - Click Here to See More Information about Marelon

     

    U.V. Degradation

    Corrosion Resistance

    Abrasion Resistance

    Tensile Strength**

    Flexural Modulus***

    ABYC* Reg.

    U.L.* Reg.

    Total Score

    MARELON®

    10

    10

    10

    10 (27,000 psi)

    10 (1,300,000 mPa)

    10

    10

    70

    NYLON

    6

    10

    5

    10 (12,000 psi)

    4 (410,000 mPa)

    0

    0

    35

    ACETAL

    5

    10

    6

    5 (10,000 psi)

    5 (450,000 mPa)

    0

    0

    31

    PVC

    3

    10

    2

    3 (5,015 psi)

    3 (434,000 mPa)

    0

    0

    21

    POLYPRO-PYLENE

    8

    10

    7

    2 (4,150 psi)

    2 (75,000 mPa)

    10

    10

    29

    BRONZE

    10

    4

    10

    10 (35,000 psi)

    10 (15,000,000 mPa)

    10

    10

    64

    BRASS

    10

    0

    10

    10 (45,000 psi)

    10 (11,000.00 mPa)

    0

    0

    40

    Marelon® is a registered trademark of Forespar Products Corp.

    * Minimum Physical Properties Required for Approval are:

    • Tensile Strength 10,900 psi / 75 mPa
    • Flexural Modulus 500,000 psi / 3480 mPa

    ** Value by test to ASTM D638 (American Society of Testing & Materials)

    *** Value by test to ASTM D790 (American Society of Testing & Materials)

    Forespar 253 Series Marelon Mushroom Head Thru-Hull Fitting
    15.99 34.99
     
    Please enter quantity below.
     
     
    Shipping is delayed due to the high volume

    Hose Barb Size
    Thread Diameter
    Thread Length
    Model #
    Info
    Packaged Weight
    Availability
     
    Price
    Qty
     
    5/8 Inch
    1/2 Inch
    1.490 Inch
    906022
    null
      0.05 Lbs.
      *In Stock!*
    List Price: $18.95
    Our Price: $15.99
     
    3/4 Inch
    3/4 Inch
    1.677 Inch
    906024
    null
      0.10 Lbs.
      *In Stock!*
    List Price: $20.45
    Our Price: $16.99
     
    1 Inch
    1 Inch
    1.695 Inch
    906026
    null
      0.15 Lbs.
      *In Stock!*
    List Price: $23.45
    Our Price: $17.99
     
    1-1/8 Inch
    1-1/8 Inch
    1.819 Inch
    906070
    null
      0.15 Lbs.
      *In Stock!*
    List Price: $25.45
    Our Price: $22.99
     
    1-1/4 Inch
    1-1/4 Inch
    1.818 Inch
    906028
    null
      0.20 Lbs.
      *In Stock!*
    List Price: $28.45
    Our Price: $21.99
     
    1-1/2 Inch
    1-1/2 Inch
    1.875 Inch
    906030
    null
      0.25 Lbs.
      *In Stock!*
    List Price: $34.95
    Our Price: $26.99
     
    2 Inch
    2 Inch
    1.875 Inch
    906032
    null
      0.45 Lbs.
      *In Stock!*
    List Price: $43.45
    Our Price: $34.99
     
    Click the "More Info" button above for specific information about that product.
     
     

    Click Here to See More Information about Forespar Marelon Plumbing Products

    Features:

    • Forespar Marelon® mushroom head thru-hull with hose barb connection
    • Suitable for use 6 inches or more above the waterline
      • Less than 6" requires a seacock
    • Marelon fittings are popular with many top quality boat builders worldwide
    • Marelon® is a proprietary formulation of polymer composite compounds using composite reinforced polymer and additives to produce a superior marine-grade product
      • Designed for use above and below the waterline
      • Complete freedom from corrosion
      • High strength
      • UV Stabilized
      • Will not freeze or become brittle with age or temperature extremes
      • U.L. and A.B.Y.C. approved
      • Marelon fittings can be installed using the same techniques and materials as bronze fittings

    Marelon® Comparison Chart  - Click Here to See More Information about Marelon

     

    U.V. Degradation

    Corrosion Resistance

    Abrasion Resistance

    Tensile Strength**

    Flexural Modulus***

    ABYC* Reg.

    U.L.* Reg.

    Total Score

    MARELON®

    10

    10

    10

    10 (27,000 psi)

    10 (1,300,000 mPa)

    10

    10

    70

    NYLON

    6

    10

    5

    10 (12,000 psi)

    4 (410,000 mPa)

    0

    0

    35

    ACETAL

    5

    10

    6

    5 (10,000 psi)

    5 (450,000 mPa)

    0

    0

    31

    PVC

    3

    10

    2

    3 (5,015 psi)

    3 (434,000 mPa)

    0

    0

    21

    POLYPRO-PYLENE

    8

    10

    7

    2 (4,150 psi)

    2 (75,000 mPa)

    10

    10

    29

    BRONZE

    10

    4

    10

    10 (35,000 psi)

    10 (15,000,000 mPa)

    10

    10

    64

    BRASS

    10

    0

    10

    10 (45,000 psi)

    10 (11,000.00 mPa)

    0

    0

    40

    Marelon® is a registered trademark of Forespar Products Corp.

    * Minimum Physical Properties Required for Approval are:

    • Tensile Strength 10,900 psi / 75 mPa
    • Flexural Modulus 500,000 psi / 3480 mPa

    ** Value by test to ASTM D638 (American Society of Testing & Materials)

    *** Value by test to ASTM D790 (American Society of Testing & Materials)

    General Note: Forespar threaded plumbing fittings (like most true marine plumbing fittings) use NPSM Threads - National Standard Free-Fitting Straight Mechanical Pipe Thread. NPT - National Pipe Threads are tapered, NPSM Threads are parallel. The two types are not designed to work together.

     
     

     
     

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