Description
GROCO 3/4" Extra Long SS Thru-Hull w/Nut | Boat Supply Store
When installing thru-hull fittings on thicker hull materials or requiring extended reach, this GROCO fitting provides a robust solution. Constructed from premium #316 stainless steel, it offers unparalleled resistance to saltwater corrosion, a critical factor for longevity in harsh marine environments. The 3/4" size and NPSM/NPT combination thread offer versatile application for plumbing or ventilation systems, ensuring a secure and watertight connection.
Key Features
- Durability: Constructed from marine-grade #316 stainless steel for extreme corrosion resistance.
- Extended Reach: Features an extra-long design ideal for thicker hull materials or complex installations.
- Thread Versatility: Combines NPSM and NPT threads for broad compatibility with various plumbing fittings.
- Complete Assembly: Includes the necessary nut for straightforward installation.
- Corrosion Prevention: #316 stainless steel significantly outperforms lower-grade alloys in saltwater environments.
- Secure Fit: Engineered for a precise and reliable connection within the hull.
- Professional Grade: Trusted by marine mechanics and shipyards for critical applications.
- Long-Term Value: Offers superior longevity and reduced maintenance compared to standard fittings.
Specifications
| Product Specifications | |
|---|---|
| Size | 3/4" |
| Thread Type | NPSM / NPT Combination |
| Material | #316 Stainless Steel |
| Design | Extra Long |
| Includes | Nut |
Who This Is For
Boat owners, marine mechanics, and shipyards needing a robust, corrosion-resistant, and extra-long thru-hull fitting for thicker hull materials or extended reach plumbing and ventilation applications.
How It Compares
| Feature | GROCO 3/4" Extra Long SS Thru-Hull w/Nut | Competitor |
|---|---|---|
| Material | #316 Stainless Steel | Bronze, 304 Stainless Steel |
| Thread Type | NPSM / NPT Combination | NPT |
| Length | Extra Long | Typically less capable |
| Size | 3/4" | 3/4" |
| Includes Nut | Yes | Yes |
Common Concerns Answered
I've had issues with corrosion on other thru-hull fittings. How does this GROCO fitting address that?
The GROCO THXL-750-WS is constructed from premium #316 stainless steel, which offers superior resistance to galvanic corrosion and oxidation compared to lower-grade stainless steels or bronzes commonly found in harsh marine environments. This ensures a longer service life and maintains structural integrity.
My hull is thicker than standard; will a regular thru-hull fit properly?
The 'extra long' design of the GROCO THXL-750-WS is specifically engineered to accommodate thicker hull materials, ensuring a secure and watertight installation where standard length fittings would be insufficient. This avoids compromises in your plumbing system's integrity.
Is the price of this fitting higher than others, and is it justified?
While the initial investment for the GROCO THXL-750-WS may be higher than basic thru-hull fittings, the use of #316 stainless steel and the extra-long design provide significant long-term value through enhanced durability, superior corrosion resistance, and the flexibility for specialized installations. This translates to fewer replacements and less maintenance over time.
Frequently Asked Questions
What is the thread type of the GROCO THXL-750-WS thru-hull fitting?
The GROCO THXL-750-WS features a combination thread design, incorporating both NPSM (National Pipe Straight Mechanical) and NPT (National Pipe Taper) threads for versatile connection options.
What material is the GROCO THXL-750-WS thru-hull fitting made of?
This thru-hull fitting is manufactured from high-grade #316 stainless steel, renowned for its exceptional corrosion resistance in marine applications.
What is the size of the GROCO THXL-750-WS thru-hull fitting?
The GROCO THXL-750-WS is a 3/4" size fitting.
Is the nut included with the GROCO THXL-750-WS thru-hull fitting?
Yes, the GROCO THXL-750-WS thru-hull fitting comes complete with the necessary nut for installation.
What is the purpose of an 'extra long' thru-hull fitting?
An 'extra long' thru-hull fitting, like the GROCO THXL-750-WS, is designed for vessels with thicker hull materials or applications requiring a greater reach from the exterior hull surface to the interior plumbing connections. This ensures a secure and proper connection where standard fittings would be too short.
