Forespar

Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock

Item: #1834590 | Part Number: Not Selected
$83.96 - $211.96
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              Description

              The Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock delivers marine-grade reliability with unmatched versatility. Built from lightweight, corrosion-free materials, it meets strict ABYC standards for below-the-waterline use. A flush cap handle and modular design make it easy to maintain, customize, and depend on in demanding installations.

              Image of : Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock Item # 1834590

              Description

              With over 2500 possible configurations, Marelon® Pro Series valves offer unprecedented options for reducing the size and complexity of installations. Durable and lightweight, they can be configured with dual inputs or outputs, and used as seacocks or inline valves. This helps reduce the total amount of plumbing needed in most boat designs. Suitable for below the waterline use, every valve meets the strict ABYC requirements for marine plumbing.

              Pro series valves can be specified as inline valves, seacocks, Y-valves and dual drains and all feature a three-part construction that enables their versatility and long-term maintainability. Each valve can be easily disassembled for cleaning, as well as to replace the O-rings - a necessary maintenance procedure in every valve on the market.

              Features:

              • Flush Cap on valve handle
              • Lightweight, yet extremely strong injection-molded parts
              • Complete freedom from any corrosion
              • Complete freedom from electrolysis or reaction to any metals
              • Outstanding operating temperature range (-22° to +176° F)
              • Outstanding U.V. resistance
              • Fully Modular construction can be custom tailored to any purpose
              • Long term reliability and serviceability
              • No bonding (electrical) required
              • Can be used on aluminum, steel, wood or FRP hull forms
              • Can be used with or on any metal fittings

              Product Brochure

              Installation Instructions

              Dimensional Diagram

              Part Numbers for Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock

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              Reviews

              Rated 1 out of 5 by from Well made but incorrectly marketed? The valve is well made but poorly marketed. Maybe I made a mistake? It says 1” which I thought meant 1” thru hull and 1” barb. Well the threaded section is 1.5” so I had to buy another one that fit.
              Date published: 2026-04-16
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              Questions

              What does "dual drain" mean?

              Asked by: Daniel-3N
              Hello, Please see the image below for clarification.
              Answered by: Upwind
              Date published: 2026-03-11

              Is this a bundle of two or some weird Siamese twin configuration? The photo is inconclusive.

              Asked by: Chaff
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              Forespar Pro Series Flush Cap Inline Valve NPSM Thread Seacock
              Total:
              $83.96 - $211.96