Forespar 904042ABYC Marelon 1/2" Full-Flow Seacock with Mushroom Through-Hull

The Forespar Marelon Full-Flow Seacock is an integrated 2-part marine plumbing system that combines a high-performance seacock valve with a precisely matched 1/2" mushroom head through-hull fitting. Engineered to eliminate common installation problems, this complete package features super-strong buttress-type threading that prevents the valve and through-hull mismatches and cross-threading issues often encountered when purchasing components separately.

Constructed from Forespar's exclusive Marelon polymer formulation, this seacock system will never corrode, making it ideal for harsh marine environments. The full-flow design minimizes flow restriction, while the integrated hose connector simplifies installation and ensures a reliable, leak-free connection.

Key Features:

• Complete system includes full-flow seacock with integrated hose connector and mushroom through-hull fitting
• Exceeds ABYC H-27 standards and UL approved for marine applications
• Approved for use above or below the waterline
• Corrosion-proof Marelon polymer construction for maximum durability
• Buttress-type threading prevents cross-threading and ensures proper fit
• Includes emergency handle cap and through-hull plug for safety
• 1/2" size suitable for bilge pumps, livewell systems, and other marine applications

This ABYC-compliant seacock system provides boat owners with a reliable, long-lasting solution for marine plumbing installations, backed by Forespar's reputation for quality marine hardware.