Mushroom Thru-hull Valves

Mushroom Thru-hull Seacocks have many options in the 93 series by Forespar Marine. Giving you a great range of options when it comes to your boats plumbing.

Made of MARELON which is an extremely strong, marine-grade, polymer composite for long term use in all applications.

Create Customised Valves Manufactured To Fit Your Exact OEM Specs

• For Use Above or Below Waterline
• Exclusive Polymer Formulation That Will Never Corrode
• Can be Used with Any Hull Material
• Requires No Bonding Wires
• Immune to Lightning Strike Damage
• Saves Weight for Better Speed & Efficiency

MARELON products are ABYC compliant and can be used above and below the waterline.

Arrows on Marelon Integrated Plumbing images indicate water flow direction. Please be aware that sometimes image shows other variations of thru-hull.

We have some great blog posts on the Forespar Marelon Plumbing as well as number of Catalogues and Tech Sheets on Marine Plumbing.