GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut

The GROCO 2" Bronze Combo Scoop Thru-Hull w/Nut is a marine-grade through-hull fitting engineered for boaters and vessel operators who demand reliable, high-flow water intake solutions. Whether you're installing a raw-water cooling system, washdown pump, or intake manifold on a recreational boat, fishing vessel, or commercial marine platform, this bronze scoop fitting delivers superior water flow compared to standard through-hull designs. Built to NPSM/NPT combination threading specifications, it integrates seamlessly into existing marine plumbing infrastructure without requiring adapter fittings or complex modifications.

Manufactured from C83600 bronze—a marine-industry standard alloy—this through-hull fitting resists corrosion in saltwater and freshwater environments while maintaining structural integrity across decades of service. The scoop design actively captures flowing water when the vessel is underway, creating a natural pressure differential that increases water delivery to onboard systems without relying on external pumps for initial priming. The 2-inch nominal pipe size (NPS) thread accommodates standard marine hose connections and rigid plumbing, while the included nut ensures secure, watertight installation that withstands vibration, pressure cycling, and thermal expansion common in marine engine compartments.

Cruising anglers, liveaboard boaters, and commercial fishing operations benefit most from this fitting's reliable performance in demanding marine duty cycles. Proper installation requires drilling a through-hull opening on the forward-facing hull below the waterline, sealing with a marine epoxy bedding compound, and threading the fitting from inside the vessel to create a permanent, pressure-rated connection. The 6 x 5 x 6 inch form factor fits comfortably in tight engine compartments while the 3.3 lb bronze construction ensures longevity in corrosive marine environments where aluminum or plastic fittings would fail within seasons.