Forespar Marelon Full-Flow Seacock 3/4" Mushroom Through-Hull

The Marelon Full-Flow Seacock & 3/4" Mushroom Through-Hull is a high-performance, integrated marine system engineered for reliability and ease of installation. Crafted from durable materials and designed to meet stringent marine standards, this system ensures secure and long-lasting performance for your vessel.

Product Overview

This advanced two-part system features a Marelon® valve paired with a precisely matched mushroom head thru-hull. The use of super-strong “buttress” type threading eliminates common thread mismatches and cross-threading issues, providing a seamless installation experience and enhanced durability compared to aftermarket individual parts.

Key Features

• Integrated System: Combines a Full Flow Seacock with an integrated hose connector and a 3/4" Mushroom Thru-Hull for a unified setup.
• Standards Compliant: Exceeds ABYC H-27 standards and is UL approved, ensuring top-tier safety and performance.
• Versatile Installation: Suitable for use both above and below the waterline, offering flexibility for various marine applications.
• Corrosion Resistant: Made from an exclusive polymer formulation that never corrodes, guaranteeing longevity even in harsh marine environments.
• Emergency Safety Feature: Includes an emergency handle cap thru-hull plug for quick shutdown during emergencies.

Benefits

By choosing the Marelon Full-Flow Seacock & 3/4" Mushroom Through-Hull, you ensure a reliable and hassle-free installation with components designed to work perfectly together. The corrosion-resistant materials extend the life of your fittings, while compliance with industry standards provides peace of mind regarding safety and performance.

Installation

The integrated design simplifies the installation process, reducing the risk of thread mismatches and cross-threading. Whether you are installing above or below the waterline, the system’s robust construction and easy-to-use components make it an ideal choice for both professional and DIY marine enthusiasts.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.