Forespar Marelon Full-Flow Seacock & 2" Through-Hull

The Forespar Marelon Full-Flow Seacock & 2" Mushroom Through-Hull set offers a reliable, corrosion-resistant solution for marine plumbing. With a Marelon valve and matched mushroom head thru-hull, this system ensures secure installation and eliminates thread mismatches. Exceeding ABYC standards, it's designed for use above or below the waterline. Ideal for boat owners seeking durable, polymer-based hardware for both new installations and replacements.