1/2 Inch Thru-Hull

Ensure a watertight, durable hull penetration for your SeaWater Pro modular watermaker with our 1/2" Thru-Hull Fitting. This essential marine-grade component provides a secure channel for intake or discharge lines, safeguarding your vessel against leaks and corrosion while optimizing system performance. Key Features Marine-Grade Construction: Made from high-quality 316 stainless steel (or UV-stable nylon in the plastic variant) to resist corrosion, pitting, and biofouling in saltwater environments. Precision Machining: Smooth, burr-free interior bore minimizes turbulence and maximizes flow efficiency through the hull. Leak-Proof Design: Includes a high-pressure O-ring gasket and backing nut to create a reliable, compression-style seal. Low-Profile Profile: Compact flange sits flush to the hull for a clean installation that won’t catch lines or impede movement. Easy Installation & Maintenance: Threaded body and large knurled backing nut allow hand-tightening; service the O