Description
GROCO Extra Long 1-1/4" Thru-Hull Fitting | Boat Supply Store
This GROCO thru-hull fitting is engineered for applications demanding superior longevity and corrosion resistance within challenging hull constructions. Featuring a 1-1/4" diameter and #316 stainless steel construction, it provides exceptional durability against saltwater environments. The integrated NPSM/NPT combination thread offers versatile connectivity options for a wide range of marine plumbing accessories, ensuring a secure and reliable hull penetration, particularly valuable on larger vessels or those with thicker hull materials.
Key Features
- Extended Length for installation in thicker hull applications.
- Superior Corrosion Resistance from premium #316 stainless steel construction.
- Versatile Threading with an NPSM / NPT combination for broad compatibility.
- Robust Durability ensuring long-term integrity in marine environments.
- Secure Installation facilitated by the included matching nut.
- Corrosion-Resistant Material suitable for harsh saltwater conditions.
- Optimized Hull Penetration designed for reliable plumbing connections.
- High-Grade Construction meets demanding marine standards.
Specifications
| Product Specifications | |
|---|---|
| Size | 1-1/4" |
| Length | Extra Long |
| Material | #316 Stainless Steel |
| Thread Type | NPSM / NPT Combination |
| Includes Nut | Yes |
Who This Is For
Boat owners, marine mechanics, and boat builders requiring a robust, corrosion-resistant, and extra-long thru-hull fitting for thicker hull applications or specialized constructions. Ideal for plumbing systems demanding reliable and secure hull penetrations.
How It Compares
| Feature | GROCO Extra Long 1-1/4" Thru-Hull Fitting | Perko 05260099A 1 |
|---|---|---|
| Material | 316 Stainless Steel | Bronze, 304 Stainless Steel |
| Length | Extra Long | Standard, Standard |
| Thread Type | NPSM / NPT Combination | NPT, NPT |
Common Concerns Answered
What if I need to replace an older, non-standard fitting?
This GROCO fitting's NPSM/NPT combination thread offers broad compatibility, but exact vintage replacements can be challenging. Careful measurement and confirmation of thread pitch and diameter are essential for non-standard applications.
Is the price of stainless steel worth it?
The premium price reflects the superior 316 stainless steel's exceptional corrosion resistance and longevity, critically important for long-term hull integrity in harsh marine environments, significantly outperforming less durable materials over time.
What are the challenges with non-standard fittings?
Older, non-standard thru-hull fittings can present compatibility issues for replacements. It is crucial to verify the exact dimensions and thread types of existing installations before ordering to ensure a proper fit and seal.
Frequently Asked Questions
What is the thread type of the GROCO THXL-1250-WS thru-hull fitting?
The GROCO THXL-1250-WS features an NPSM / NPT combination thread, offering versatility for various plumbing connections.
What material is the GROCO THXL-1250-WS thru-hull fitting made from?
This thru-hull fitting is constructed from high-grade #316 Stainless Steel, renowned for its superior corrosion resistance in marine environments.
What is the size of the GROCO THXL-1250-WS thru-hull fitting?
The GROCO THXL-1250-WS is a 1-1/4" diameter thru-hull fitting.
Is the nut included with the GROCO THXL-1250-WS thru-hull fitting?
Yes, the GROCO THXL-1250-WS thru-hull fitting includes a matching nut for secure installation.
What is the purpose of an extra-long thru-hull fitting?
An extra-long thru-hull fitting is designed for installation on vessels with thicker hull materials or composite constructions where standard-length fittings would not provide adequate thread engagement for a secure connection.
