Forespar CF 251 Marelon Mushroom Head Threaded Thru-Hull Connector

These lightweight, corrosion-free Thru-Hulls are crafted in Forespar's California factory from high-strength Marelon and are suitable for above and below waterline use. They can be combined with an elbow connector if a 90 deg. intake is needed. Recommended maximum torque setting of 20 ft/lbs.

Features:

• Marelon® is a proprietary formulation of polymar 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

Minimum Physical Properties Required for Approval are:

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

Note: A seacock (sold separately) is required for use less than 6" above the waterline.

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

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

Marelon Data Sheet

Product Information

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