Product Overview
Thru-Hull with Nut 1 1/2" Hose

Ensure a rock-solid, leak-free connection for your 1 1/2" hose with the Groco Thru-Hull with Nut. This robust bronze fitting is engineered for lasting performance and peace of mind, providing a reliable pathway for below-waterline discharges. From engine cooling to sink drains, trust Groco's quality and expertise to keep your boat's plumbing system operating smoothly and efficiently. Upgrade your vessel's plumbing with a thru-hull fitting you can depend on.
Key Features
- **Durable C83600 Bronze Construction:** Resists corrosion in harsh marine environments for extended service life.
- **NPS 1-1/2" Thread:** Ensures a secure and compatible connection with standard plumbing components.
- **1 1/2" Hose Barb:** Creates a tight, leak-proof seal with your hose, minimizing the risk of water intrusion.
- **Full Flow Design:** Maximizes water flow and reduces restriction for optimal system performance.
- **Included Nut:** Simplifies installation and provides a strong, reliable hull connection.
- **UL Listed 647B:** Meets stringent safety standards, providing confidence in the fitting's quality and reliability.
What's in the Box
- Groco Thru-Hull with Nut 1 1/2" Hose
- Nut
Specifications
The Captain's Take
I've been relying on Groco thru-hulls for years, and they've never let me down. The HTH series is built tough, easy to install, and provides a dependable seal you can trust. When it comes to below-waterline fittings, I don't take chances – Groco is the only way to go for peace of mind on the open water.