Forespar 904011 MF849 1-1/2" Marelon Flange Mount PTFE Seacock

The Forespar MF849 is a premium 1-1/2 inch flanged seacock molded from lightweight, high-strength glass-reinforced Marelon™ composite material. Engineered specifically for marine applications, this seacock delivers superior corrosion resistance compared to traditional bronze fittings, making it ideal for through-hull installations on boats and yachts.

Key Features:

• Constructed from glass-reinforced Marelon™ composite for exceptional strength-to-weight ratio
• Complete corrosion resistance—will not corrode, dezincify, or deteriorate in saltwater environments
• Highly resistant to UV degradation and abrasion for long-lasting durability
• Flange mounting design provides secure, reliable installation
• NPS parallel threads allow for easy sealing with PTFE tape or plumber's putty
• PTFE (Teflon) sealing surfaces ensure smooth operation and reliable shut-off
• Lightweight construction reduces hull weight compared to bronze alternatives
• 1-1/2 inch nominal pipe size accommodates common marine plumbing applications

Forespar Marelon seacocks are trusted by boatbuilders and marine professionals worldwide for their reliability and performance. The non-metallic construction eliminates galvanic corrosion concerns and provides peace of mind for critical below-waterline applications including livewell systems, washdown pumps, and engine cooling water intakes.