GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut

The GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut is an essential component for offshore vessels requiring maximum water intake efficiency while underway. Designed specifically for high-speed hulls, this fitting minimizes turbulence and ensures a consistent flow to critical systems like raw water washdowns or livewell pumps. Boaters looking to buy a reliable solution for thick transoms or cored hulls will find this extra-long variant indispensable for maintaining structural integrity. It serves as a professional-grade upgrade for those conducting a performance review of their existing plumbing hardware.

Constructed from premium C83600 bronze, this fitting offers superior corrosion resistance in harsh saltwater environments. The GROCO 1-1/4" Bronze Extra Long High Speed Thru-Hull Fitting w/Nut features a specialized head design that reduces hydrodynamic drag, allowing for smoother water entry at cruising speeds. The extra-long shank utilizes a unique NPSM and NPT combination thread, providing versatile connectivity for various marine valves and seacocks. This design ensures a secure, leak-proof seal that stands up to the constant vibrations and pressures found in demanding marine applications.

This high-speed thru-hull is particularly beneficial for deep-vee hulls and larger sportfishing boats where standard fittings may not reach through thick hull sections. Installation is streamlined by the included bronze nut, ensuring a tight fit against the interior hull surface for maximum safety. When reviewing the specifications, the 1-1/4 inch diameter provides the necessary volume for high-capacity cooling or circulation systems. For those seeking the best marine hardware for sale, this GROCO component offers the durability and performance required for serious blue-water excursions.