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Most Popular Forespar Marelon Full-flow Seacock & 1" Mushroom Through-hull - Going Fast [QgMASDPx]

$32.99 $105.99 -69%

Marelon Full-Flow Seacock & 1" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to elimi

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Most Popular Forespar Marelon Full-flow Seacock & 1" Mushroom Through-hull - Going Fast [QgMASDPx]

Marelon Full-Flow Seacock & 1" Mushroom Through-Hull

This integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.

Features:

  • System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull
  • Exceeds ABYC. H-27 Standards - UL Approved
  • For Use Above or Below Waterline
  • Never Corrodes - Exclusive Polymer Formulation
  • Includes Emergency Handle Cap Thru-Hull Plug

What Our Customers Say

February 3, 2026

Absolutely no complaints!

I'm impressed by the thoughtful design.

- Patrick H..

February 3, 2026

Absolutely no complaints!

I'm thrilled with this purchase.

- Jason D..

February 3, 2026

Absolutely no complaints!

I'm very happy with the excellent design.

- Mabel G..

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