Product Overview
Thru-Hull with Nut 3/4" Hose

Ensure a rock-solid, leak-free connection for your boat's plumbing with the Groco Thru-Hull with Nut for 3/4" Hose. This robust fitting provides a dependable pathway for water intake or discharge, crafted from high-quality materials for exceptional durability and corrosion resistance. Upgrade your boat's systems with the confidence of Groco, a trusted name in marine plumbing solutions, and enjoy years of worry-free performance.
Key Features
- **Durable Construction:** Built from corrosion-resistant materials (#316 Stainless Steel or C83600 Bronze depending on model) for long-lasting performance in harsh marine environments.
- **Secure Connection:** The included nut ensures a tight seal against the hull, minimizing the risk of leaks and water damage.
- **3/4" Hose Compatibility:** Specifically designed for use with standard 3/4" ID hoses, simplifying installation and ensuring proper fit.
- **UL Listed (647B):** Meets stringent safety standards for marine thru-hull fittings, providing peace of mind and ensuring code compliance.
- **Versatile Application:** Suitable for a wide range of below-the-waterline plumbing needs, including raw-water intake, sink drains, and more.
- **Easy Installation:** Straightforward design allows for easy installation with standard tools.
- **Precise Dimensions:** Detailed specifications (A=2.7, B=0.3, C=1.9, D=1.2, E=1.3) ensure compatibility with your existing setup.
What's in the Box
- Groco Thru-Hull Fitting
- Nut
Specifications
The Captain's Take
After years of battling leaky, corroded thru-hulls, I switched to Groco and never looked back. Their fittings are built to last, and the included nut gives me the extra confidence I need knowing my plumbing is secure. This 3/4" version is perfect for a variety of applications, and the quality is second to none. Trust me, invest in Groco and save yourself the headache down the line.