GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut

The GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut is a marine-grade through-hull assembly designed for serious boaters who demand reliability below the waterline. This fitting is essential for applications such as raw water intake, discharge lines, and through-hull transducers, ensuring a secure connection between your boat's hull and external systems.

Constructed from marine-grade bronze, this fitting offers superior corrosion resistance compared to standard stainless or aluminum alternatives. Its high-speed design minimizes turbulence and flow restriction, making it ideal for cooling systems and other applications where water velocity is critical. The included nut ensures a secure, watertight seal against your hull when installed with the proper bedding compound.

This fitting is particularly beneficial for cruising vessels and fishing boats that require reliable through-hull plumbing. The 1-1/2" bore accommodates standard hose sizes, making it compatible with both plastic and metal hoses, ensuring versatility in various marine applications.