GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut

The GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut is a critical component for any serious vessel requiring a secure and durable passage through the hull for plumbing systems. Designed for both commercial and recreational boaters, this fitting serves as the primary interface for raw water intakes, scuppers, or discharge lines. By providing a watertight seal and structural integrity, it ensures that your onboard systems function reliably while maintaining the safety of the hull. Owners looking to upgrade or repair their marine plumbing will find this fitting essential for long-term peace of mind on the water.

Engineered from high-grade C83600 Bronze, this fitting offers exceptional resistance to the corrosive effects of salt and brackish water environments. The GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut features a unique NPSM and NPT combination thread, allowing for a more flexible connection with various pipe and valve types. It is UL Listed 647B, meeting rigorous industry standards for marine hardware safety and performance. The robust construction is designed to withstand the physical stresses of hull movement and hydraulic pressure over years of service.

This specific model comes equipped with a bronze nut, simplifying the installation process by providing all necessary hardware for a secure mount against the hull. The 2-inch diameter is ideal for high-flow applications such as engine cooling intakes or large cockpit drains where maximum volume is required. Professional installers and DIY boaters alike benefit from the precision machining that ensures a flush, professional finish against the vessel's exterior. Whether you are outfitting a new build or performing routine maintenance, this bronze fitting provides the reliability demanded by experienced mariners.