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

The GROCO 4" Bronze High Speed Thru-Hull Fitting with Nut is an essential component for serious boaters who need reliable plumbing for raw water systems. This fitting is ideal for applications such as engine cooling, drainage, and washdown, making it suitable for various types of vessels, including saltwater fishing boats and cruising yachts.

Constructed from durable bronze, this fitting is designed to withstand the harsh conditions of saltwater and brackish environments, where other materials may corrode quickly. Its 4-inch size allows for high-volume flow rates, ensuring that your cooling systems and live wells receive a consistent supply of water. The high-speed design minimizes turbulence and pressure loss, enhancing the efficiency of your water systems.

Anglers and charter captains will find this fitting particularly beneficial due to its corrosion resistance and reliability under continuous use. Proper installation with marine sealant ensures a watertight seal against the hull, and the straightforward design allows for easy maintenance and replacement. This fitting is best installed by experienced boatbuilders to ensure optimal performance.