Product Overview
Thru-Hull with Nut 1" Hose

Ensure a rock-solid, dependable connection for your 1" hose with the Groco Thru-Hull with Nut. Crafted from robust C83600 bronze, this thru-hull fitting guarantees lasting durability and superior corrosion resistance in the harsh marine environment. Its precision-machined threads and barb fitting provide a secure, leak-free connection for critical below-waterline plumbing, offering you peace of mind on the water.
Key Features
- **C83600 Bronze Construction:** Provides exceptional corrosion resistance and long-lasting durability in saltwater environments.
- **1" NPS Threads & 1" Hose ID:** Ensures a precise, secure fit for your 1" ID hose, minimizing the risk of leaks.
- **UL Listed (647B):** Meets stringent safety standards, guaranteeing a reliable and safe thru-hull fitting for your boat.
- **Precision Machining:** Provides a tight seal and leak-free performance, preventing unwanted water intrusion.
- **Versatile Application:** Suitable for various below-waterline plumbing applications, including sinks, drains, and engine cooling systems.
Specifications
The Captain's Take
After years of battling inferior thru-hull fittings, I switched to Groco and never looked back. Their bronze fittings are built to last, and the secure connection gives me the confidence to tackle any conditions. This 1" thru-hull with nut is a staple on my boat – it's a small part that makes a big difference in overall reliability.