Description
GROCO 3/4" Bronze Extra Long Thru-Hull | Boat Supply Store
For applications demanding extended hull penetration or specific plumbing configurations, this GROCO extra-long thru-hull fitting provides a robust, corrosion-resistant solution. Constructed from durable C83600 Bronze, it features a versatile NPSM/NPT combination thread for broad connectivity. Its 3/4" nominal size and extra-long profile address challenges often encountered with unique hull thicknesses in saltwater environments.
Key Features
- Extends hull penetration capabilities for specialized installations.
- Combines NPSM and NPT threads for versatile connection options.
- Resists corrosion effectively with C83600 Bronze construction.
- Ensures a secure and durable thru-hull connection.
- Standardized 3/4" nominal size for broad compatibility.
- Built for rigorous marine environments.
- Ideal for custom plumbing setups.
- Trusted GROCO quality and durability.
Specifications
| Product Specifications | |
|---|---|
| Nominal Size | 3/4" |
| Material | C83600 Bronze |
| Thread Type | NPSM / NPT Combination |
| Length | Extra Long |
Who This Is For
Marine boat builders, refitters, and DIY boat owners requiring a durable, corrosion-resistant, and extra-long thru-hull fitting for plumbing and ventilation systems, particularly those needing a combination thread type.
How It Compares
| Feature | GROCO 3/4" Bronze Extra Long Thru-Hull | Competitor |
|---|---|---|
| Length | Extra Long | Typically less capable |
| Thread Type | NPSM / NPT Combination | NPT |
| Material | C83600 Bronze | Bronze |
| Size | 3/4" | 3/4" |
Common Concerns Answered
How does the extra-long design benefit my boat?
The extra-long profile is engineered for vessels with thicker hull materials or specific plumbing requirements, ensuring proper thread engagement and a secure seal where standard fittings might fall short.
What is the advantage of the NPSM/NPT combination thread?
This dual-thread design offers enhanced versatility, allowing for connection with fittings designed for either NPSM (National Pipe Straight Mechanical) or NPT (National Pipe Tapered) threads, simplifying plumbing integration in various configurations.
Is this fitting durable enough for saltwater environments?
Absolutely. Constructed from C83600 Bronze, this thru-hull fitting exhibits superior resistance to marine corrosion, a critical factor for long-term reliability and performance in harsh saltwater conditions.
Frequently Asked Questions
What is the thread type of the GROCO 3/4" Bronze Extra Long Thru-Hull Fitting?
This fitting features an NPSM/NPT combination thread, providing flexibility for various plumbing connections.
What material is the GROCO 3/4" Bronze Extra Long Thru-Hull Fitting made from?
The fitting is constructed from C83600 Bronze, known for its excellent corrosion resistance in marine applications.
What is the purpose of an extra-long thru-hull fitting?
Extra-long thru-hull fittings are designed for boats with thicker hull laminates or when additional thread reach is necessary for specific through-hull components, ensuring a secure and watertight installation.
What is NPSM thread?
NPSM stands for National Pipe Straight Mechanical. It is a straight thread used for mechanical connections, often requiring a gasket or O-ring for sealing.
What is NPT thread?
NPT stands for National Pipe Tapered. It is a tapered thread where the diameter decreases along the length of the thread. Sealing is achieved through the wedging action of the threads, often augmented with sealant or tape.
